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Seizures: Recognition, Assessment, Emergency Management and Nursing Care

SEIZURES: RECOGNITION, ASSESSMENT, EMERGENCY MANAGEMENT AND NURSING CARE

Emergency seizure first aid and status epilepticus assessment

Add a labelled seizure first-aid and emergency management image here.

Why this topic matters: A seizure may be a brief, self-limited event, the first sign of a dangerous brain or systemic illness, or a life-threatening episode of status epilepticus. Emergency medical students must protect the patient from injury, maintain oxygenation, identify reversible causes, distinguish seizure from mimics, recognise when a prolonged or repeated seizure needs medication, and arrange safe neurological follow-up.

Educational safety note: This is supervised learning material. Follow current Uganda Ministry of Health, ambulance, emergency-department and hospital protocols. Medication choice, route, dose, escalation and intubation decisions are clinician-led and depend on age, pregnancy, weight, comorbidities and local formulary.

Learning objectives

Define a seizure, epilepsy, provoked seizure, unprovoked seizure, convulsive status epilepticus and non-convulsive status epilepticus.
Recognise focal, generalised and unknown-onset seizures, including subtle presentations.
Give safe first aid without restraining the patient or placing objects in the mouth.
Perform an ABCDE assessment, check glucose and search for reversible causes.
Describe emergency investigation, status epilepticus treatment, nursing care and disposition.
Identify special risks in children, pregnancy, eclampsia, infection, trauma, poisoning and metabolic disease.

1. Definitions

A seizure is a transient occurrence of signs or symptoms caused by abnormal, excessive or synchronous neuronal activity in the brain. A seizure can cause motor movements, altered awareness, sensory symptoms, autonomic changes, behavioural symptoms or a combination.

Epilepsy is a disease of the brain with an enduring predisposition to generate epileptic seizures, diagnosed using accepted clinical criteria. A single seizure does not automatically mean epilepsy.

A provoked (acute symptomatic) seizure occurs in close temporal association with an acute insult such as hypoglycaemia, electrolyte disturbance, fever, meningitis, stroke, head injury, eclampsia or a toxic drug exposure. An unprovoked seizure occurs without an immediate precipitant and may be the first presentation of epilepsy or a structural brain lesion.

Status epilepticus is a seizure lasting long enough that it is unlikely to stop on its own, or recurrent seizures without recovery of consciousness between them. For practical emergency care, continuous convulsive activity for approximately five minutes, or repeated convulsions without recovery, should trigger status treatment and senior help. Non-convulsive status can present as persistent confusion, staring, subtle twitching or coma and requires EEG-supported specialist assessment.

Term	Clinical meaning	Emergency concern
Focal seizure	Begins in a network of one hemisphere; awareness may be intact or impaired.	Progression to bilateral convulsion, focal lesion or stroke mimic.
Generalised seizure	Engages bilateral networks from onset, often with loss of awareness.	Hypoxia, aspiration, trauma and status epilepticus.
Postictal state	Temporary confusion, sleepiness, headache, weakness or aphasia after a seizure.	Do not assume all deficits are postictal; persistent focal deficit may be stroke.
Psychogenic non-epileptic seizure	Involuntary episodes without epileptic cortical discharges; real distress, not deliberate malingering.	Injury from inappropriate restraint or unnecessary medication; diagnose respectfully.

2. Types and clinical features

Focal seizures

Focal aware: the patient remains aware but may have unilateral jerking, tingling, an unusual smell or taste, visual distortion, déjà vu, fear, epigastric rising sensation or autonomic symptoms.
Focal impaired awareness: staring, reduced responsiveness, lip smacking, chewing, picking at clothes or wandering; confusion follows.
Focal-to-bilateral tonic-clonic: a focal warning or unilateral movement progresses to stiffening, rhythmic jerking and loss of consciousness.

Generalised tonic-clonic seizure

The patient may suddenly lose consciousness, fall, stiffen (tonic phase), then develop rhythmic jerking (clonic phase). Cyanosis, frothing, tongue injury, urinary incontinence and irregular breathing can occur. After the movements stop, breathing should improve; prolonged unresponsiveness, persistent cyanosis or repeated seizures is an emergency.

Other generalised patterns

Absence: brief staring and interruption of activity, often many times daily, usually without a fall or postictal confusion.
Myoclonic: sudden brief muscle jerks, commonly after waking; consciousness may be preserved.
Atonic: sudden loss of tone and falls (“drop attacks”). Protect the head and consider injury.
Tonic or clonic only: stiffening or rhythmic jerking without the full sequence.

3. Seizure first aid: Stay, Safe, Side

STAY – SAFE – SIDE
Stay: remain with the person, start a timer, observe and reassure.
Safe: remove hazards, cushion the head, loosen tight clothing, move furniture and protect privacy. Do not restrain the limbs.
Side: once jerking stops, place the patient in the recovery position; turn them to the side sooner if vomiting, secretions or impaired breathing are present.

Call emergency help for a first seizure, a seizure lasting five minutes or longer, repeated seizures without recovery, injury, pregnancy, diabetes, water-related seizure, breathing difficulty or failure to return to usual consciousness.
Do not put fingers, spoons, cloth, medicine, water or any object in the mouth. A person cannot swallow their tongue, but objects can obstruct the airway or break teeth.
Do not give food, drink or oral tablets until fully awake and able to swallow.
Do not attempt mouth-to-mouth during active convulsions. After the seizure, assess breathing and begin resuscitation if absent or abnormal according to BLS protocol.
Record start and stop time, movements, eye/head deviation, colour, breathing, responsiveness, injuries, triggers and recovery. A witness video may help diagnosis if obtained safely and with consent.

4. Emergency assessment: ABCDE

Step	Assessment	Actions
A – Airway	Secretions, vomit, tongue obstruction, jaw clenching, protective reflexes.	Position, suction, airway adjunct when appropriate; prepare expert airway support if protection fails.
B – Breathing	Rate, effort, chest movement, oxygen saturation, cyanosis and aspiration.	High-flow oxygen only for hypoxaemia or respiratory compromise; assist ventilation after convulsions if needed.
C – Circulation	Pulse, blood pressure, perfusion, temperature, ECG rhythm and IV access.	Monitor, obtain IV/IO access, draw blood, treat shock and dysrhythmia.
D – Disability	Glucose, GCS, pupils, focal signs, ongoing subtle seizure and postictal recovery.	Correct severe glucose abnormality, treat status promptly and repeat neurological observations.
E – Exposure	Trauma, fever, meningism, rash, pregnancy, medication patches, toxins and environmental exposure.	Prevent hypothermia, inspect injuries and look for the cause while preserving dignity.

Check capillary glucose immediately. Hypoglycaemia can cause seizures and permanent brain injury; treat according to protocol and recheck. Measure temperature, attach cardiac and pulse-oximetry monitoring, obtain a 12-lead ECG and assess for pregnancy when relevant. Place the patient in a safe lateral position after active movements and protect the cervical spine when trauma is suspected.

5. Focused history

Event chronology: what happened before, during and after; aura, fall, stiffening, jerking, eye deviation, vocalisation, colour change, incontinence, tongue injury and duration.
Recovery: time to obey commands, persistent weakness, aphasia, headache, fever, confusion or recurrent seizure.
Previous history: epilepsy, febrile seizures, stroke, head injury, tumour, meningitis, eclampsia, developmental disorder or family history.
Medication: anti-seizure medicine, missed doses, recent changes, interactions, herbal preparations, insulin, anticoagulants and recreational drugs.
Precipitants: sleep deprivation, alcohol withdrawal, infection, fever, fasting, dehydration, flashing lights, stress, metabolic disease and toxic exposure.
Context: pregnancy/postpartum state, trauma, drowning, occupational hazards, baseline cognition, allergies, last meal and advance-care preferences.

6. Examination and differential diagnosis

Repeat the neurological examination after the postictal period. Assess orientation, speech, pupils, gaze, visual fields, facial symmetry, power, sensation, coordination, reflexes, gait when safe and signs of meningitis or raised intracranial pressure. Check for shoulder dislocation, facial injury, dental damage, burns, head trauma, petechiae and lateral tongue laceration.

Possible mimic	Clues	Immediate check
Syncope	Brief loss of tone with rapid recovery; precipitating standing, pain or arrhythmia.	ECG, orthostatic context, glucose and cardiac history.
Hypoglycaemia	Sweating, tremor, confusion, seizure in a person using insulin or sulfonylurea.	Capillary glucose and prompt treatment.
Stroke/TIA	Persistent focal weakness, aphasia, neglect or visual loss.	Stroke pathway and urgent imaging; do not label as postictal without reassessment.
Psychogenic non-epileptic seizure	Variable asynchronous movements, prolonged fluctuating course, retained awareness in some episodes; features are not diagnostic alone.	Safety, calm communication and specialist review; avoid stigma.
Rigors or dystonia	Shivering with infection or medication-related abnormal postures.	Temperature, medication history and neurological assessment.

7. Investigations

Bedside tests: glucose immediately; temperature, oxygen saturation, ECG and pregnancy test when appropriate.
Blood tests: electrolytes (especially sodium, calcium and magnesium), renal and liver function, full blood count, inflammatory markers, blood gas when critically ill, anticonvulsant level when available and toxicology guided by history.
Brain imaging: urgent non-contrast CT for first seizure with trauma, persistent deficit, anticoagulation, fever, severe headache, reduced consciousness or suspected stroke/bleeding. MRI is preferred later for structural and epileptogenic lesions when stable.
Lumbar puncture: consider for suspected meningitis or encephalitis after assessing for raised intracranial pressure and obtaining imaging when indicated; never delay antibiotics in a septic patient.
EEG: urgent or continuous EEG is important for persistent altered consciousness, suspected non-convulsive status, unexplained coma or recurrent subtle events.
Other: chest imaging, cultures, malaria or HIV testing and metabolic investigations according to local epidemiology and clinical findings.

8. Convulsive status epilepticus

Clock-anchored emergency: treat ongoing convulsions as a time-critical problem. Call senior help, anaesthesia/critical care and the stroke or paediatric team as appropriate while ABCDE, glucose, IV/IO access and medication preparation occur in parallel.

Phase 1: immediate stabilisation

Note the exact seizure start time and whether there was recovery between episodes.
Protect airway and oxygenation, suction secretions, place monitoring and obtain IV or IO access without delaying treatment.
Check glucose and correct severe hypoglycaemia. Consider thiamine before glucose in a severely malnourished or chronic alcohol-use patient according to local protocol.
Draw blood, but never postpone the first anticonvulsant while waiting for results.

Phase 2: first-line benzodiazepine

For a convulsive seizure continuing beyond the emergency threshold, administer the locally approved benzodiazepine by the fastest reliable route, with oxygen, suction and ventilation equipment ready. If the seizure persists, repeat only according to the protocol and maximum limits. Watch for respiratory depression, hypotension and aspiration. Document drug, route, time and response.

Phase 3: second-line antiseizure medicine

If convulsions continue after appropriate benzodiazepine therapy, urgently administer a protocol-approved second-line agent such as levetiracetam, fosphenytoin/phenytoin or valproate, considering pregnancy, liver disease, cardiac conduction, drug interactions and local availability. The choice is specialist-led. Continue airway support and reassess whether the movements are epileptic.

Refractory status

Persistent seizures after first- and second-line treatment require anaesthesia/critical-care involvement, expert airway management, continuous EEG where available and an infusion anaesthetic or other specialist therapy. Search aggressively for infection, stroke, hypoglycaemia, electrolyte disturbance, toxin, withdrawal, eclampsia or autoimmune disease. Transfer to a monitored intensive-care setting.

9. Treat the cause

Cause	Clues	Priority management
Hypoglycaemia	Diabetes, insulin, sweating, low bedside glucose.	Immediate protocol-based glucose and repeated measurement.
Hyponatraemia, hypocalcaemia or hypomagnesaemia	Vomiting, diuretics, renal disease, endocrine illness or prolonged illness.	Careful laboratory-guided correction; avoid rapid overcorrection.
Meningitis/encephalitis	Fever, headache, neck stiffness, rash, confusion or focal signs.	Sepsis pathway, cultures and empiric antimicrobials without avoidable delay; specialist imaging/LP.
Stroke or intracranial bleed	New persistent focal deficit, severe headache, anticoagulant use or trauma.	Urgent CT/CTA, stroke/neurosurgical pathway and reversal when indicated.
Drug/toxin or withdrawal	Access to medication, stimulant exposure, alcohol/benzodiazepine withdrawal.	Resuscitation, poison-centre advice, antidote when indicated and monitored care.
Eclampsia	Pregnancy or postpartum seizure with hypertension, headache or visual symptoms.	Obstetric emergency pathway, magnesium-based protocol, blood-pressure control and delivery planning.

10. Care after a first or resolved seizure

Observe until consciousness, breathing, vital signs and neurological function return to baseline or a senior clinician sets another plan.
Maintain aspiration precautions, side positioning, oral suction as needed and nil by mouth until fully alert.
Treat injuries, pain, fever and dehydration. Check for shoulder dislocation, fractures, head injury, dental trauma and burns.
Do not automatically prescribe long-term anti-seizure medication after every first seizure; specialist risk assessment and the cause determine treatment.
Arrange urgent neurology review for an unprovoked seizure, abnormal examination, structural lesion, recurrent events or uncertain diagnosis.
Give safety advice: medication adherence, adequate sleep, avoiding alcohol/recreational drugs, bathing and swimming precautions, driving restrictions according to local law, work hazards and a family seizure plan.

11. Nursing and EMT responsibilities

Prepare a seizure kit: oxygen, suction, bag-mask device, airway adjuncts, glucose meter, IV/IO equipment, prescribed emergency medicines and protective padding.
Use calm, non-judgemental communication. Explain to relatives that movements cannot be stopped by restraint and that recovery can be slow.
Record time, semiology, position, colour, breathing, triggers, medications, interventions, response and postictal observations.
Repeat GCS, pupils, glucose, vital signs, respiratory status and focal neurological signs. Escalate failure to recover, new weakness, fever, hypoxia or recurrent seizure.
Maintain a clear environment, protect the head, do not pull the tongue, do not force the jaw open and never leave a convulsing patient unattended.
Use pressure-area care, safe transfers and fall precautions after a postictal episode. Avoid unnecessary restraints.
Administer prescribed medicines using medication-safety checks, monitor respiratory depression and document exact times.
Support family education and refer to epilepsy, mental-health, social-work and rehabilitation services when appropriate.

12. Special populations

Children: consider febrile seizure, meningitis, metabolic disease, poisoning and non-accidental injury; use weight-based protocols and avoid overheating.
Pregnancy/postpartum: a seizure is eclampsia until assessed otherwise. Protect airway, left lateral position, check blood pressure and glucose, and activate obstetric and critical-care teams.
Older adults: consider stroke, tumour, medication toxicity, renal failure, hypoglycaemia and cardiac syncope; polypharmacy increases risk.
Sickle-cell disease or HIV: consider stroke, infection, cerebral venous disease, opportunistic infection and medication interactions.
Anticoagulation or trauma: lower the threshold for urgent CT; prevent secondary injury and involve neurosurgery if bleeding is suspected.

13. Applied scenarios

Scenario 1: first witnessed tonic-clonic seizure

A 22-year-old falls, stiffens and jerks for 90 seconds, then is sleepy. Clear hazards, time the event, protect the head, assess ABCDE and glucose, place side-lying after movements stop, check injury and obtain a focused history. Because it is a first seizure, arrange medical assessment and do not allow unsupervised discharge.

Scenario 2: convulsions for eight minutes

Call the resuscitation team, document the clock time, provide oxygen and suction, check glucose, obtain IV/IO access and administer the approved first-line medicine. If activity continues, escalate promptly to second-line therapy and critical care; never wait for spontaneous resolution.

Scenario 3: seizure with unilateral weakness

A patient has a seizure followed by aphasia and arm weakness that persists. Recheck glucose and airway, activate the stroke pathway and obtain urgent brain and vascular imaging. Persistent focal deficit must not be dismissed as a postictal state.

Scenario 4: postpartum seizure

A woman two days after delivery develops a seizure and severe headache. Place her laterally, protect airway, check glucose and blood pressure, call obstetric/critical-care teams and follow the local eclampsia magnesium and blood-pressure protocol while investigating haemorrhage, venous thrombosis and other causes.

14. Revision questions

What is the practical time threshold for treating convulsive status epilepticus?
List six actions that protect a patient during a tonic-clonic seizure.
Why must glucose be checked immediately?
When should a patient with a seizure receive urgent CT?
Outline first-, second- and refractory-status treatment principles without relying on a single drug dose.
Which features make a seizure in pregnancy an obstetric emergency?

SEIZURE handover: Start time and semiology; Environment/airway safe; Investigate glucose and causes; Zero oral intake until alert; Urgent medication if prolonged; Reassess neurologically; Escalate and document.

Key takeaways

Most brief seizures stop, but continuous or recurrent seizures without recovery are status epilepticus until proven otherwise.
Stay with the patient, protect from injury, time the seizure and turn to the side; never restrain or put objects in the mouth.
ABCDE, glucose, oxygenation, temperature, ECG and repeated neurological observations are the emergency foundation.
Search for reversible causes, treat early under protocol and involve critical care when seizures persist.
A first seizure, persistent focal deficit, pregnancy, injury, fever, poisoning or failure to recover needs urgent medical assessment.

Further reading: International League Against Epilepsy: Status epilepticus; American Epilepsy Society: treatment of prolonged seizures; NICE epilepsies guideline; Epilepsy Foundation seizure first aid; NHS epilepsy emergency advice.

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Stroke and TIA: Recognition, Assessment, Emergency Management and Nursing Care

STROKE AND TIA: RECOGNITION, ASSESSMENT, EMERGENCY MANAGEMENT AND NURSING CARE

Brain stroke assessment with FAST signs and emergency CT imaging

Add a labelled stroke pathway image here.

Why this topic matters: Stroke is a time-critical neurological emergency. Every minute of untreated cerebral ischaemia may enlarge the area of irreversible injury, while intracranial haemorrhage can rapidly cause raised intracranial pressure, herniation and death. A TIA is not a harmless mini-stroke; it is a warning event with a high early risk of completed stroke. Emergency medical students must recognise the presentation, protect the airway, document last-known-well time, activate the stroke pathway, prevent avoidable harm and transfer rapidly to definitive care.

Educational safety note: This is supervised learning material. Use current Uganda Ministry of Health, ambulance, hospital and stroke-unit protocols, senior clinician direction and locally approved drug doses. Thrombolysis, thrombectomy, anticoagulant reversal and blood-pressure targets are protocol-dependent specialist decisions.

Learning objectives

Define stroke, TIA, ischaemic stroke, haemorrhagic stroke, large-vessel occlusion and the ischaemic penumbra.
Recognise anterior and posterior circulation symptoms using FAST/BE-FAST and identify stroke mimics.
Perform a structured ABCDE and focused neurological assessment, including glucose and a baseline neurological score.
Obtain and communicate the last-known-well time, medication history and functional baseline.
Explain emergency imaging, laboratory tests, reperfusion pathways, haemorrhage care and TIA prevention.
Provide safe pre-hospital, emergency-department and nursing care while preventing aspiration, hypoxia, fever, pressure injury and deterioration.

1. Definitions and clinical categories

Stroke is sudden focal neurological dysfunction caused by a vascular disturbance of the brain, spinal cord or retina. It may be due to an arterial blockage (ischaemia) or bleeding (haemorrhage). Symptoms can include weakness, numbness, facial droop, speech disturbance, visual loss, incoordination, severe headache, reduced consciousness or neglect.

Transient ischaemic attack (TIA) is a transient episode of neurological dysfunction caused by focal brain, spinal cord or retinal ischaemia without acute infarction on appropriate imaging. Symptoms resolving does not remove the emergency: the patient needs urgent assessment for a preventable future stroke.

Category	Mechanism	Typical clues	Immediate implication
Ischaemic stroke	Thrombus, embolus or critical hypoperfusion blocks an artery.	Sudden focal deficit; often painless; cortical signs may occur.	Rapid CT/vascular imaging and reperfusion assessment.
Intracerebral haemorrhage	Rupture of an artery causes bleeding into brain tissue.	Headache, vomiting, severe hypertension, seizure or declining consciousness may occur.	Urgent CT, blood-pressure control, reversal and neurocritical/neurosurgical care.
Subarachnoid haemorrhage	Bleeding into subarachnoid space, often from aneurysm.	Thunderclap headache, neck stiffness, collapse, vomiting or photophobia.	Emergency imaging and specialist pathway; do not assume migraine.
TIA	Transient ischaemia without established infarction.	Focal symptoms completely resolve.	Urgent secondary prevention and vascular/cardiac investigation.

2. Pathophysiology

Ischaemic cascade

An arterial occlusion deprives neurons of oxygen and glucose. ATP depletion stops ion pumps, causing membrane depolarisation, glutamate release, calcium influx, cytotoxic oedema and cell death. The central core becomes irreversibly injured quickly. Around it lies the penumbra: dysfunctional but potentially salvageable tissue supplied by collateral vessels. Reperfusion and physiological optimisation aim to preserve this tissue. Hypoxia, fever, hypotension, severe hyperglycaemia and seizures increase secondary injury.

Haemorrhagic injury

Blood directly damages neurons, raises intracranial pressure and may expand during the first hours. Oedema, hydrocephalus, reduced cerebral perfusion and herniation can follow. Blood-pressure surges, anticoagulants, thrombocytopenia and coagulopathy can worsen expansion. A patient may have a relatively normal initial examination and deteriorate rapidly, so repeated observations are essential.

Large-vessel occlusion

Occlusion of the internal carotid, proximal middle cerebral, basilar or selected other arteries can produce a large threatened territory. Severe cortical deficit, gaze deviation, aphasia, neglect, dense hemiplegia or coma should trigger urgent vascular imaging and consideration of endovascular thrombectomy.

3. Causes and risk factors

Long-standing or uncontrolled hypertension, the leading modifiable risk factor for both ischaemic and haemorrhagic stroke.
Atrial fibrillation and other cardiac arrhythmias; recent myocardial infarction, cardiomyopathy, valvular disease, endocarditis or intracardiac thrombus.
Diabetes, dyslipidaemia, obesity, smoking, harmful alcohol use, physical inactivity and sleep apnoea.
Carotid or intracranial atherosclerosis, arterial dissection, vasculitis and hypercoagulable states.
Sickle-cell disease, severe anaemia, HIV-related vasculopathy, tuberculosis or other infections where clinically relevant.
Pregnancy and the postpartum period, pre-eclampsia/eclampsia, cerebral venous thrombosis and hormonal risk factors.
Cocaine, amphetamines and other sympathomimetic drugs; trauma, aneurysm, vascular malformation and anticoagulant use.
Previous stroke or TIA, family history, age and social determinants that delay access to emergency care.

4. Recognition and first contact

FAST / BE-FAST
F – Face: ask the patient to smile; look for new asymmetry.
A – Arm: ask both arms forward; look for drift or sudden weakness.
S – Speech: ask a simple sentence; listen for slurring, wrong words or inability to speak.
T – Time: note the exact time last known well and activate emergency transport.
B – Balance: sudden loss of coordination or inability to walk.
E – Eyes: sudden visual loss, diplopia or gaze abnormality.

Ask the witness, family or care worker when the person was last definitely normal, not merely when the abnormality was noticed. For a wake-up stroke, record the time the patient was last seen normal before sleep and the time found abnormal. Record whether symptoms are improving, fluctuating or progressing. Do not allow the patient to drive.

Pre-hospital actions

Ensure scene safety, use standard precautions and perform a rapid primary survey.
Call the emergency system, pre-alert the receiving hospital and state suspected stroke, last-known-well time, glucose, airway status and anticoagulant use.
Position safely: head and trunk slightly elevated if tolerated; lateral recovery position if vomiting or reduced consciousness while protecting the spine when trauma is possible.
Maintain airway patency, suction secretions and provide oxygen only for hypoxaemia or respiratory compromise according to protocol.
Check capillary glucose. Treat severe hypoglycaemia promptly; document the value because hypoglycaemia is a common stroke mimic.
Keep the patient nil by mouth. Do not give aspirin, food, drink or oral medicines before a swallow assessment and brain imaging have excluded haemorrhage.
Do not aggressively lower blood pressure in the field unless a specific emergency indication and protocol apply; cerebral perfusion may depend on the pressure.
Bring medication lists, anticoagulant packets, identification and contact information. Minimise scene delay.

5. Emergency assessment: ABCDE

Step	What to assess	Immediate actions
A – Airway	Ability to speak, protective reflexes, vomit, secretions, tongue obstruction and aspiration risk.	Open airway, suction, airway adjunct if appropriate, prepare for expert intubation if unable to protect airway.
B – Breathing	Respiratory rate, effort, oxygen saturation, chest movement and aspiration-related sounds.	Position, oxygen for hypoxaemia, ventilatory support and blood gas if indicated; avoid routine hyperoxia.
C – Circulation	Pulse, rhythm, blood pressure in both arms when relevant, perfusion, temperature and bleeding.	Cardiac monitor, two IV lines where possible, blood tests, cautious isotonic fluid for hypovolaemia; treat arrhythmia.
D – Disability	GCS or level of consciousness, pupils, glucose, seizure activity, focal deficit and NIHSS elements.	Repeat observations, correct glucose extremes, treat ongoing seizure per protocol, urgent stroke activation.
E – Exposure	Temperature, trauma, rash, injection marks, pressure injuries, pregnancy possibility and medication patches.	Prevent heat loss, treat fever, preserve dignity and look for clues to mimic or cause.

Establish two IV lines if this does not delay imaging, attach ECG and pulse oximetry, and obtain a 12-lead ECG to detect atrial fibrillation or myocardial ischaemia. Correct hypotension and hypoxia. Avoid hypotonic fluids and unnecessary glucose-containing fluids.

6. Focused history

Onset: exact last-known-well time, progression, wake-up presentation and witnessed collapse.
Deficit: face, arm, leg, speech, vision, balance, swallowing, headache, seizure, confusion and sensory symptoms.
Bleeding risk: warfarin, direct oral anticoagulant, heparin, antiplatelet medicines, liver disease, recent operation, gastrointestinal bleeding or intracranial bleeding.
Medical history: hypertension, diabetes, atrial fibrillation, prior stroke/TIA, sickle cell disease, malignancy, migraine and seizures.
Baseline function: usual mobility, communication, cognition, activities of daily living and pre-stroke disability; ask about baseline modified Rankin status.
Potential mimic: hypoglycaemia, seizure with post-ictal weakness, migraine aura, infection, intoxication, electrolyte disturbance, syncope or functional neurological disorder.
Context: pregnancy/postpartum status, trauma, infection, recent travel, substance use, allergies, last oral intake and goals of care.

7. Examination and stroke severity

Perform a rapid but reproducible examination and document the time. Assess alertness, orientation, speech and comprehension; pupils and eye movements; visual fields; facial symmetry; tongue and palate; arm and leg power and drift; sensation; coordination; gait only when safe; neglect; extinction; dysarthria; aphasia; cerebellar signs and meningism. Look for gaze deviation and a dense deficit suggesting large-vessel occlusion.

The NIH Stroke Scale (NIHSS) quantifies consciousness, orientation, commands, gaze, visual fields, facial movement, arm and leg motor function, ataxia, sensation, language, dysarthria and neglect. It supports communication and treatment selection but can under-score posterior circulation strokes. A low NIHSS does not exclude disabling aphasia, visual loss, ataxia or basilar occlusion.

Posterior circulation warning signs: sudden severe vertigo with inability to stand, diplopia, dysarthria, dysphagia, crossed face-and-body weakness or sensory loss, limb ataxia, nystagmus, abnormal pupils, bilateral weakness or reduced consciousness. Do not dismiss these as simple dizziness.

8. Imaging and investigations

Non-contrast CT brain: obtain urgently to exclude haemorrhage and identify early ischaemic change. A normal early CT does not exclude ischaemia.
CT angiography: identify carotid, intracranial or basilar large-vessel occlusion, dissection and selected vascular lesions.
CT perfusion or MRI diffusion/perfusion: select patients with wake-up stroke, late presentation or uncertain onset for extended-window treatment when available.
Blood tests: bedside glucose, full blood count and platelets, electrolytes, renal function, coagulation studies, group and save, pregnancy test when relevant, and other tests directed by the history. Do not delay urgent treatment for routine results when there is no reason to suspect abnormality.
Cardiac tests: 12-lead ECG, telemetry, troponin when indicated and later echocardiography or prolonged rhythm monitoring for an embolic source.
Additional tests: temperature, urinalysis, toxicology or infection tests only when clinically indicated; do not let a non-essential test delay stroke imaging.

9. Emergency management of ischaemic stroke

Immediate physiological care

Activate the stroke team and record arrival, imaging, decision and treatment times.
Maintain a patent airway, oxygenate hypoxaemic patients, treat fever, correct severe glucose abnormalities and use isotonic fluid for dehydration or shock.
Keep the head midline, avoid tight clothing around the neck, prevent aspiration and perform a swallow screen before oral intake.
Manage blood pressure according to the intended treatment. Patients not receiving reperfusion are usually not rapidly lowered unless pressure is extreme or another hypertensive emergency exists. Patients eligible for thrombolysis require the treatment-specific threshold in the current protocol.

Intravenous thrombolysis

Eligible patients with disabling acute ischaemic stroke may receive intravenous thrombolysis within the standard time window, commonly up to 4.5 hours from last-known-well, with selected wake-up or extended-window patients considered by advanced imaging and specialist criteria. Alteplase or tenecteplase choice, dose, contraindications, blood-pressure threshold and monitoring must follow the current stroke protocol and senior stroke clinician decision.

Before treatment, confirm CT has excluded haemorrhage, assess recent surgery/bleeding, anticoagulants, platelets and coagulation concerns, and document consent or the emergency decision. During and after treatment perform frequent neurological and blood-pressure checks, watch for headache, vomiting, acute hypertension or deterioration, avoid unnecessary invasive procedures and treat suspected intracranial bleeding as an emergency. Do not give antiplatelet or anticoagulant therapy during the first 24 hours unless a specialist protocol explicitly directs otherwise; obtain follow-up imaging before starting it.

Mechanical thrombectomy

Patients with an eligible large-vessel occlusion may benefit from catheter thrombectomy, usually in an early window and, for selected patients with favourable imaging, in later windows up to 6–24 hours or as defined by current guidance. Notify the endovascular team immediately. If the first facility cannot provide thrombectomy, stabilise without avoidable delay and arrange transfer with imaging, medication history, NIHSS and treatment times.

Antiplatelet and secondary prevention

After haemorrhage is excluded, clinicians may start aspirin according to local protocol when thrombolysis has not been given. Short-course dual antiplatelet therapy may be selected for specific high-risk TIA or minor stroke patients; it is not an automatic treatment for every patient. Identify atrial fibrillation and other embolic sources, manage blood pressure and diabetes, address smoking and alcohol, prescribe statin therapy when indicated, and arrange rehabilitation and follow-up.

10. Emergency management of haemorrhagic stroke

Stabilise airway, breathing and circulation; intubate with expert help if consciousness or protective reflexes are failing.
Urgently involve neurology, neurosurgery, anaesthesia and critical-care teams. Repeat neurological observations and prepare for rapid deterioration.
Control blood pressure smoothly to the target specified by the haemorrhage protocol; avoid sudden hypotension and large oscillations.
Stop anticoagulants and reverse them urgently with the correct agent for warfarin, dabigatran, factor Xa inhibitors or heparin under specialist direction. Do not give empiric reversal without knowing the drug and timing where this could cause harm.
Manage raised intracranial pressure: head elevation and midline positioning, analgesia and antiemesis, normoxia, normocapnia, fever control, treatment of seizures and neurosurgical measures such as ventricular drainage or evacuation when indicated.
Do not give aspirin or thrombolytic therapy. Correct severe hypoglycaemia, avoid fever and maintain adequate cerebral perfusion.
Provide family communication, goals-of-care discussion and transfer to a monitored neurocritical environment.

11. TIA pathway

Even when symptoms have resolved, document the exact deficit and timing. Perform glucose, neurological examination, brain imaging and vascular imaging where available; obtain ECG and assess for atrial fibrillation. Look for carotid disease and other embolic sources. After haemorrhage is excluded, a clinician may begin antiplatelet therapy promptly and arrange urgent specialist review. Anticoagulation for atrial fibrillation is timed to infarct size, bleeding risk and imaging. Give explicit return precautions for recurrent weakness, speech difficulty, visual loss, severe headache, collapse or imbalance.

12. Complications and prevention

Complication	Prevention/recognition	Response
Aspiration and pneumonia	Swallow screen, upright positioning, oral care and nil by mouth until safe.	Suction, oxygen if hypoxaemic, imaging/cultures and antibiotics only when infection is diagnosed.
Cerebral oedema/herniation	Frequent GCS, pupils, headache, vomiting and motor observations.	Urgent senior review, airway support, CT and neurocritical/neurosurgical treatment.
Seizures	Observe for subtle focal seizure or post-ictal state.	Protect from injury, ABC, glucose check and anticonvulsant protocol for ongoing seizure.
DVT/PE	Early mobilisation when safe, hydration and mechanical prophylaxis as indicated.	Investigate unexplained hypoxia, tachycardia or leg swelling; anticoagulate only when safe.
Pressure injury/falls	Turning plan, skin inspection, safe transfers and call bell.	Pressure-relieving equipment, physiotherapy and supervised mobility.
Delirium, depression and communication problems	Reorientation, sleep protection, family involvement and speech-language referral.	Find reversible causes and provide communication aids and psychosocial support.

13. Nursing and EMT responsibilities

Use a time-stamped stroke checklist and communicate using a structured handover: last-known-well, deficit, glucose, anticoagulant, NIHSS, CT/CTA result, treatment and response.
Maintain airway equipment and suction at the bedside; position safely and keep oral intake withheld until swallow screening.
Perform prescribed neurological observations: consciousness, pupils, speech, limb power, gaze, vital signs, glucose and temperature. Escalate any change immediately.
Measure blood pressure correctly with an appropriate cuff, repeat manually when unexpected and avoid unnecessary arm compression on a weak or vascular-access limb.
Protect the affected shoulder, support the arm, avoid pulling during transfers and use safe mobilisation techniques.
Prevent hypoglycaemia, fever, dehydration, constipation, urinary retention, pressure injury, falls and venous thromboembolism.
Provide calm explanations; aphasia is not the same as confusion. Use short sentences, yes/no questions, writing or pictures and allow extra response time.
Document assessment, consent, relatives contacted, investigations, medication administration, adverse effects, referrals and transfer times.
Teach the patient and family about FAST, medication adherence, blood-pressure checks, diabetes control, smoking cessation, safe diet, rehabilitation and when to return urgently.

14. Special presentations and mimics

Wake-up stroke: use last-known-well and advanced imaging criteria; do not assume the patient is outside treatment.
Pregnancy/postpartum: consider eclampsia, cerebral venous thrombosis, dissection and haemorrhage; involve obstetric and stroke specialists.
Sickle-cell disease: assess for anaemia, acute chest syndrome, infection and previous stroke; follow the sickle-cell transfusion protocol.
Anticoagulant use: identify exact agent and last dose; this affects thrombolysis and reversal decisions.
Seizure at onset: persistent focal deficit after a seizure can still be stroke; re-assess when post-ictal features improve.
Common mimics: hypoglycaemia, hyperglycaemia, migraine, seizure, sepsis, encephalopathy, intoxication, vestibular disease, tumour and functional neurological symptoms.

15. Applied emergency scenarios

Scenario 1: FAST-positive patient at 90 minutes

A 67-year-old suddenly develops aphasia and right-arm weakness 90 minutes after being seen normal. Check glucose, ABCDE and anticoagulant history, pre-alert the stroke team, obtain urgent CT/CTA and prepare for protocol-based reperfusion. Do not delay for a meal, routine paperwork or non-essential investigations.

Scenario 2: Wake-up stroke with large deficit

A patient wakes with gaze deviation and dense hemiplegia. Record last-known-well before sleep, activate the stroke pathway, perform CT/CTA and consider advanced imaging for thrombolysis or thrombectomy eligibility. Arrange transfer early if endovascular treatment is unavailable.

Scenario 3: Intracerebral haemorrhage on anticoagulant

A patient has severe headache, vomiting and reduced consciousness. Protect the airway, obtain immediate CT, stop anticoagulant, identify the exact agent and urgently involve critical care, neurosurgery and the reversal service. Avoid aspirin and thrombolysis.

Scenario 4: Resolved TIA

A patient had 15 minutes of unilateral weakness that resolved. Treat this as urgent: record the episode, check glucose and ECG, image the brain and vessels, assess atrial fibrillation and arrange rapid secondary prevention. Give clear return precautions.

16. Revision questions

Why is last-known-well time more useful than the time symptoms were noticed?
List five stroke mimics that must be checked during the primary assessment.
Why must oral intake be withheld until a swallow screen?
What findings suggest posterior circulation stroke or large-vessel occlusion?
Which observations are required after thrombolysis, and why is follow-up imaging important before antithrombotics?
Outline the immediate actions for haemorrhagic stroke in a patient taking an anticoagulant.

FAST-CT handover: Focal deficit; Airway/ABC stable; Sugar checked; Time last known well; then CT/CTA pathway and Treatment/transfer plan.

Key takeaways

Stroke and TIA are emergencies even when symptoms improve.
Time, glucose, airway, oxygenation, CT and vascular imaging drive safe decisions.
Never give food, drink, aspirin or thrombolysis before the appropriate assessment and imaging pathway.
Thrombolysis, thrombectomy, blood-pressure targets and anticoagulant reversal require current specialist protocols.
Repeated neurological observations and careful nursing prevention reduce avoidable secondary injury.

Further reading: WHO stroke fact sheet; AHA/ASA acute ischaemic stroke guidance; National Clinical Guideline for Stroke; Stroke Association diagnosis and treatment; Thrombectomy information.

Stroke and TIA: Recognition, Assessment, Emergency Management and Nursing Care Read More »

Dysrhythmias: Recognition, ECG Interpretation, Emergency Treatment and Nursing Care

DYSRHYTHMIAS: ECG RECOGNITION, EMERGENCY TREATMENT AND NURSING CARE

ECG rhythm strips showing dysrhythmias and emergency resuscitation

Add a labelled ECG or resuscitation image here.

Why this matters: Dysrhythmias range from harmless extra beats to ventricular fibrillation and complete heart block. An emergency medical care student must recognise a dangerous rhythm, decide whether the patient is perfusing, identify reversible causes, and begin definitive treatment without allowing the monitor to delay ABCDE care.

Learning objectives

By the end of this lesson, the learner should be able to define dysrhythmia, describe normal cardiac impulse formation and conduction, obtain and interpret a systematic ECG, distinguish stable from unstable tachycardia and bradycardia, select appropriate electrical or pharmacological treatment, support a patient before and after cardioversion or pacing, and document and communicate rhythm changes safely.

Assess the patient first: a rhythm is clinically important when it compromises oxygen delivery, cardiac output or the risk of cardiac arrest.
Recognise shockable rhythms, non-shockable arrest rhythms, high-risk AV block, pre-excited atrial fibrillation and torsades de pointes.
Apply local Uganda Ministry of Health, ambulance and hospital protocols and involve a senior clinician early.

1. Meaning and electrical basis of dysrhythmias

A dysrhythmia (often called an arrhythmia) is an abnormality of impulse formation, impulse conduction, heart rate, rhythm or the relationship between atrial and ventricular activity. It may be too fast, too slow, irregular, prematurely triggered, conducted by an abnormal pathway, or absent during cardiac arrest. “Normal” does not mean that every pulse is identical: respiratory sinus variation may be normal in a young person, while a regular-looking rhythm can still be life-threatening if it is ventricular tachycardia.

Normal impulse formation and conduction

Sinoatrial (SA) node: the usual pacemaker in the right atrium; its automaticity normally produces 60–100 impulses/minute.
Atrial myocardium: depolarises and contracts, producing the P wave.
Atrioventricular (AV) node: briefly delays conduction, allowing ventricular filling. It can provide a slower escape rhythm when higher pacemakers fail.
His bundle, right and left bundle branches, and Purkinje fibres: rapidly spread the impulse through the ventricles, producing a coordinated QRS contraction.
Re-entry, abnormal automaticity and triggered activity: common mechanisms of tachyarrhythmia. Fibrosis, ischaemia, scar and accessory pathways can create circuits that sustain re-entry.

The ECG language

Feature	What to examine	Useful emergency meaning
Rate	Count QRS complexes; use 300 divided by large squares for regular rhythms or count 10 seconds x 6 for irregular rhythms.	Bradycardia is usually <60/min; tachycardia is usually >100/min, but symptoms and perfusion determine urgency.
Rhythm	Regular, regularly irregular, or irregularly irregular.	Irregularly irregular rhythm suggests atrial fibrillation; regularly irregular patterns may be ectopy or blocks.
P waves	Present or absent, one before each QRS, morphology and atrial rate.	Absent P waves may occur in AF, while saw-tooth flutter waves suggest atrial flutter.
PR interval	Normally 0.12–0.20 seconds and constant.	Prolongation suggests first-degree AV block; changing or dropped PR complexes suggest second-degree block.
QRS	Normally <0.12 seconds; assess width and morphology.	Wide-complex tachycardia should be treated as VT until proven otherwise.
QT/QTc	QT varies with rate; assess corrected QT and compare with prior ECG.	Prolonged QT increases risk of torsades, especially with low potassium, low magnesium or QT-prolonging medicines.
ST-T segment	Look for ischaemia, injury, reciprocal change and abnormal T waves.	ACS, hyperkalaemia and myocarditis may precipitate dysrhythmia.

Electrical treatment terms: synchronized cardioversion delivers a shock timed to the R wave and is used for an organised tachycardia with a pulse. Defibrillation is an unsynchronized shock used for ventricular fibrillation or pulseless ventricular tachycardia. Pacing provides electrical impulses when the intrinsic rate is too slow or conduction is blocked.

2. Causes and risk factors

Ask “why now?” A new rhythm in an ill patient is often a marker of hypoxia, shock, infarction, sepsis, electrolyte disturbance or drug toxicity. Treating the cause may terminate the rhythm and prevents recurrence.

Cause group	Examples and clues
Myocardial and structural disease	Acute coronary syndrome, old infarction scar, cardiomyopathy, heart failure, myocarditis, valvular disease, congenital heart disease and pericardial disease.
Oxygen and perfusion problems	Airway obstruction, hypoxaemia, respiratory failure, shock, severe anaemia, carbon monoxide exposure and cardiac arrest.
Electrolytes and acid-base	Hyperkalaemia, hypokalaemia, hypomagnesaemia, hypo/hypercalcaemia, acidosis, alkalosis, renal failure and severe dehydration.
Endocrine and systemic	Thyroid storm, severe hypothyroidism, fever, hypothermia, sepsis, adrenal disease and catecholamine excess.
Medicines and toxins	Digoxin, beta-blockers, calcium-channel blockers, tricyclic antidepressants, sympathomimetics, cocaine, QT-prolonging antibiotics/antiemetics/antipsychotics and anaesthetic agents.
Physiological stress	Pain, anxiety, exertion, pregnancy, sleep deprivation, stimulant drinks, alcohol withdrawal, vomiting/diarrhoea and excessive nicotine.
Procedural and mechanical	Central line irritation, cardiac surgery, ablation, hypothermic resuscitation, chest trauma and electrical injury.

The reversible Hs and Ts

Hs: hypovolaemia, hypoxia, hydrogen ion (acidosis), hypo-/hyperkalaemia, hypothermia and hypoglycaemia.
Ts: tension pneumothorax, cardiac tamponade, toxins, thrombosis (coronary or pulmonary) and trauma.

3. First contact: ABCDE and stability

Do not treat the monitor instead of the patient. Check responsiveness, breathing and a central pulse. A frightening rhythm in a conscious, warm patient with a normal blood pressure is managed differently from the same rhythm in a patient with shock.

Safety and response: use PPE, identify hazards, call for help, bring the defibrillator, confirm identity and ask for a brief history from the patient or witness.
Airway: open and protect the airway. Suction secretions and prepare airway equipment if consciousness is falling.
Breathing: assess respiratory rate, effort, chest movement, cyanosis and SpO2. Give oxygen when hypoxaemic or in respiratory distress; avoid indiscriminate high-flow oxygen in patients with normal saturation unless a protocol indicates it.
Circulation: palpate a pulse for no more than 10 seconds if unresponsive, check blood pressure, skin temperature, capillary refill and urine output. Apply ECG monitoring and defibrillator pads, establish IV access (or IO access in arrest), and take blood samples without delaying treatment.
Disability: assess mental status using AVPU or GCS, check bedside glucose, pupils and new focal neurological signs.
Exposure: look for fever, rash, bleeding, medication patches, implanted devices, trauma and signs of heart failure while preventing hypothermia.

Features of an unstable tachycardia or bradycardia

Hypotension or signs of shock: weak pulse, clammy skin, confusion, oliguria or collapse.
Acute altered mental status or syncope caused by the rhythm.
Ischaemic chest pain or dynamic ischaemic ECG changes.
Acute heart failure, severe dyspnoea, pulmonary oedema or inability to lie flat.
Peri-arrest appearance, severe cyanosis or recurrent pauses.

When instability is caused by a tachyarrhythmia with a pulse, prepare immediate synchronized cardioversion. When instability is caused by bradycardia, prepare atropine and pacing. If there is no pulse, start the cardiac-arrest algorithm.

4. Systematic ECG assessment

Confirm patient, date, calibration, lead placement and artefact. Repeat leads if the tracing is unclear.
Calculate ventricular rate and atrial rate when they differ.
Describe regularity and identify whether every P wave conducts.
Inspect P-wave morphology and the PR relationship.
Measure QRS width. A wide QRS may be ventricular in origin, a bundle-branch block, a paced rhythm, hyperkalaemia or pre-excitation.
Inspect QT and correct it for rate. Recheck a prolonged QT before giving further QT-prolonging medicine.
Assess ST and T waves and compare with previous ECGs. Obtain serial 12-leads if pain, shock or intermittent symptoms continue.
Document the rhythm, rate, patient symptoms, blood pressure, intervention and response. Never label an ECG as “just AF” without checking for ACS, heart failure, sepsis and pre-excitation.

5. Tachyarrhythmias

5.1 Unstable tachycardia with a pulse

Call the resuscitation team, attach pads, provide airway and breathing support, obtain IV access and perform synchronized cardioversion according to the defibrillator and local protocol. Use analgesia and conscious sedation when the patient can be safely sedated, but do not delay lifesaving shock in severe shock or peri-arrest deterioration. Recheck rhythm and pulse after each attempt, treat hypoxia/electrolytes/ischaemia and escalate early if the rhythm persists.

5.2 Stable narrow-complex regular tachycardia (often SVT)

Record a 12-lead ECG if this does not delay treatment and look for sudden onset/termination, retrograde P waves and a regular narrow QRS.
Try a monitored vagal manoeuvre, usually a modified Valsalva. Do not use carotid sinus massage in a carotid bruit, previous stroke/TIA or significant vascular disease.
If it persists, give adenosine using the local emergency protocol through a large proximal IV with a rapid flush; explain the transient flushing, chest tightness and frightening sensation beforehand. Have the defibrillator attached because adenosine can reveal or precipitate serious conduction problems.
If adenosine fails or is contraindicated, obtain expert help for a suitable AV-nodal blocker or synchronized cardioversion. Avoid AV-nodal blockade when pre-excited AF is suspected.

5.3 Atrial fibrillation and atrial flutter

AF is an uncoordinated atrial rhythm producing an irregularly irregular ventricular response; flutter often has saw-tooth atrial activity with a regular or variable ventricular response. Assess onset, haemodynamic stability, heart failure, myocardial ischaemia, infection, thyroid disease, alcohol/stimulant exposure and potassium/magnesium. Rate control, rhythm control and stroke prevention are separate decisions. The patient may need a beta-blocker, diltiazem/verapamil or another specialist-selected drug when appropriate, but these can worsen shock, severe heart failure, asthma or pre-excited AF.

If unstable, synchronized cardioversion is the emergency treatment.
If stable, establish onset and stroke risk, correct triggers, and involve a clinician for rate or rhythm control and anticoagulation. AF of more than 24 hours or unknown duration requires particular caution before elective cardioversion; follow the current local/ESC pathway, transoesophageal echo and anticoagulation protocols.
Teach the patient to return for breathlessness, syncope, chest pain, new neurological symptoms or persistent rapid pulse.

5.4 Wide-complex tachycardia

Assume ventricular tachycardia (VT) until proven otherwise, especially in a patient with infarction or structural heart disease. Do not give verapamil or diltiazem to an undifferentiated wide-complex tachycardia. If unstable, synchronize and shock; if pulseless, defibrillate and begin CPR. If stable, obtain expert assistance, a 12-lead ECG and a protocol-approved antiarrhythmic, while looking for ischaemia, potassium disturbance and drug toxicity.

5.5 Monomorphic VT with a pulse

Assess perfusion, chest pain, heart failure and level of consciousness. Maintain monitoring and pads, correct oxygenation and electrolytes, and prepare synchronized cardioversion for deterioration. Stable VT still requires urgent senior review because it may recur or progress to VF. A patient with a history of infarction, reduced ejection fraction or syncope should not be discharged simply because the rhythm stopped.

5.6 Polymorphic VT and torsades de pointes

Polymorphic VT with prolonged QT is torsades de pointes. If sustained or unstable, give an unsynchronized shock/defibrillation and CPR if pulseless. Stop QT-prolonging medicines, correct potassium toward the high-normal range, correct magnesium and treat bradycardia or pauses with expert-guided pacing/isoproterenol protocols. Intravenous magnesium is generally used for torsades even when the measured magnesium is normal; follow local dosing and monitoring guidance. Do not rely on repeated adenosine.

6. Bradyarrhythmias and heart block

Bradycardia may be physiological in athletes or sleep, but it is dangerous when associated with shock, syncope, chest pain, confusion, pulmonary oedema or ventricular pauses. Review medications, glucose, temperature, oxygenation, potassium, infarction and vagal events.

Monitor, attach pads, obtain IV/IO access, oxygenate when indicated and obtain a 12-lead ECG without delaying stabilisation.
For symptomatic bradycardia, give atropine according to the current AHA/local protocol unless high-grade block is strongly suspected or the patient is peri-arrest.
If atropine is ineffective or the patient has Mobitz II, complete heart block, prolonged pauses or severe instability, start transcutaneous pacing and provide analgesia/sedation when safe.
Arrange transvenous pacing and specialist care; a dopamine or epinephrine infusion may be used as a bridge under a monitored protocol.

Important bradycardia patterns

Pattern	ECG features	Emergency implication
Sinus bradycardia	Normal P before each QRS, rate <60.	Observe if asymptomatic; treat causes if symptomatic.
First-degree AV block	PR >0.20 seconds but every P conducts.	Often observe, but assess drugs, infarction and progression.
Mobitz I (Wenckebach)	PR progressively lengthens, then a QRS drops.	May be vagal or nodal; treat symptoms and monitor.
Mobitz II	Constant PR with unexpected dropped QRS complexes.	High risk of complete block; prepare pacing urgently.
Complete heart block	P waves and QRS are independent; ventricular escape is slow.	Potentially fatal; pacing and senior cardiology care are urgent.

7. Cardiac arrest rhythms

VF and pulseless VT

Start high-quality CPR, attach the defibrillator, give an unsynchronized shock when indicated, resume compressions immediately for two-minute cycles, obtain vascular access and give resuscitation medicines according to the current algorithm. Minimise pauses, rotate compressors, confirm rhythm and pulse carefully, and search for reversible Hs and Ts.

PEA and asystole

These are non-shockable rhythms. Continue CPR, give protocol-directed epinephrine, confirm asystole in more than one lead when appropriate, and treat a reversible cause. PEA can represent tamponade, tension pneumothorax, pulmonary embolism, severe hypovolaemia, hypoxia or toxins; a focused ultrasound examination may assist a trained team without interrupting compressions.

After return of spontaneous circulation

Reassess airway, breathing and circulation; titrate oxygen to an appropriate saturation and support ventilation.
Maintain blood pressure and perfusion, obtain a 12-lead ECG, treat seizures and fever, check glucose/electrolytes and urgently evaluate coronary occlusion or pulmonary embolism where indicated.
Communicate time of arrest, rhythm, shocks, medications, CPR quality, ROSC time and neurological status during transfer.

8. Special high-risk rhythms

Pre-excited AF/Wolff–Parkinson–White: irregular wide-complex tachycardia with very rapid rates. If unstable, cardiovert. Avoid AV-nodal blockers in suspected pre-excited AF unless a specialist protocol directs otherwise; obtain urgent cardiology help.
Digoxin toxicity: nausea, visual disturbance, confusion, bradyarrhythmias, atrial tachycardia with block or ventricular arrhythmias. Stop digoxin, check level/electrolytes and arrange specialist digoxin-specific antibody fragments when indicated.
Long-QT syndrome: ask about family sudden death, drugs and recurrent syncope. Avoid QT-prolonging medicines, correct potassium/magnesium and refer for specialist risk assessment.
Brugada pattern: fever and sodium-channel-blocking drugs may precipitate VF. Treat fever, avoid triggering medicines and seek electrophysiology advice.
Pregnancy: maternal oxygenation and perfusion are priorities. Defibrillation and cardioversion are not withheld when indicated; use pregnancy-adapted positioning, involve obstetrics and follow local protocols.
Children: use paediatric weight-based algorithms, pads and doses; obtain a paediatric resuscitation team early.

9. Common medicines and procedures

Intervention	Use	Safety points
Adenosine	Regular narrow-complex re-entry SVT; diagnostic AV block.	Continuous ECG, resuscitation equipment, rapid IV push/flush per protocol; caution in severe asthma, transplant patients and irregular/wide rhythms.
Atropine	Symptomatic bradycardia.	May fail in high-grade infranodal block; prepare pacing and follow current protocol.
Amiodarone or lidocaine	Selected VT/VF or refractory arrhythmia under an ALS protocol.	Check QT, blood pressure, drug interactions and infusion compatibility; use senior guidance.
Magnesium	Torsades or documented/suspected magnesium deficiency.	Monitor renal function, reflexes and blood pressure; do not use it as a substitute for defibrillation in unstable torsades.
Beta-blocker/diltiazem/verapamil	Selected stable AF/flutter or other supraventricular tachycardia.	Can cause hypotension, bradycardia or heart failure; avoid in shock, decompensated failure and pre-excited AF.
Anticoagulation	Stroke prevention in AF according to validated risk and bleeding assessment.	Document onset, renal function, bleeding risk, pregnancy status and follow-up; do not delay emergency cardioversion for unstable AF.
Synchronized cardioversion	Unstable organised tachycardia with a pulse.	Check synchronization markers, announce “clear”, use pads, provide sedation if safe and recheck rhythm/pulse.
Defibrillation	VF or pulseless VT.	Resume CPR immediately after shock; keep everyone clear and document energy/response.
Transcutaneous/transvenous pacing	Unstable bradycardia or high-grade block.	Confirm electrical and mechanical capture, treat pain, check pulse/BP and arrange definitive pacing.

10. Nursing and EMT care

Place the patient in a monitored resuscitation area, attach appropriately sized pads and ensure a functioning defibrillator is immediately available.
Record baseline rhythm strip, rate, blood pressure, SpO2, temperature, glucose, mental status, pain and symptoms. Repeat after every intervention.
Check IV patency, flush medicines correctly, label lines, and watch for extravasation or rapid medication effects.
Explain procedures calmly. Before cardioversion or pacing, check consent when possible, remove oxygen from the shock field, ensure adequate analgesia/sedation and maintain airway readiness.
After shock or conversion, assess pulse, skin, blood pressure, consciousness, chest pain, burns and recurrence. Continue monitoring because relapse is common.
Use aseptic technique for IV, IO and transvenous procedures. Secure pads, lines and oxygen tubing during transfer.
Use closed-loop communication: repeat the rhythm, intervention, dose, time and response. Escalate a deteriorating patient immediately.
Document onset, symptoms, ECG interpretation, contraindications, informed consent, medicines and doses, shocks, pacing current/rate, capture, complications and handover.
Provide discharge teaching: medicine adherence, anticoagulation precautions, stimulant/alcohol reduction, pulse monitoring, warning symptoms and the exact follow-up plan.

11. Disposition and prevention

Admit or refer patients with instability, syncope, chest pain, heart failure, ventricular arrhythmia, high-grade block, prolonged QT, significant electrolyte disturbance, suspected ACS, drug toxicity or recurrent symptoms. A rhythm that self-terminates may still need observation, serial ECG/troponin testing, echocardiography, Holter monitoring or electrophysiology review. Review the medication list at every visit, correct potassium and magnesium, manage hypertension/diabetes/thyroid disease, treat sleep apnoea where suspected, and educate high-risk patients about CPR and AED access.

12. Clinical scenarios

Scenario 1 – regular SVT: A conscious young adult has sudden palpitations, HR 190, BP 122/76, narrow regular QRS and no chest pain. Apply ABCDE, monitor, obtain IV access and ECG, try a monitored vagal manoeuvre, then protocol-approved adenosine if persistent. Document conversion and evaluate triggers.

Scenario 2 – unstable AF: An older patient with irregular HR 170 develops pulmonary oedema and BP 78/46. Give airway/breathing support, pads and IV access; call the resuscitation team and perform urgent synchronized cardioversion. Do not delay for elective anticoagulation decisions; address stroke prevention after stabilisation.

Scenario 3 – VT with a pulse: A post-infarction patient is pale, confused and has a regular wide-complex rate of 160. Treat as VT, assess pulse and instability, synchronize and shock. If the pulse disappears, move immediately to VF/pulseless VT CPR-defibrillation care.

Scenario 4 – torsades: A patient receiving QT-prolonging medicines has recurrent polymorphic VT and a long QT. Stop offending medicines, defibrillate if unstable, give protocol-directed magnesium, correct potassium and seek expert pacing advice for recurrent pauses.

Scenario 5 – complete block: A patient with inferior infarction is dizzy, HR 32, BP 82/50, and P waves march through independent QRS complexes. Attach pads, give protocol-directed atropine if appropriate, prepare immediate transcutaneous pacing and arrange transvenous pacing/definitive cardiology care.

13. Memory aid: RHYTHM-SAFE

RHYTHM-SAFE
Response and pulse first
Hypoxia, haemorrhage and reversible causes
Yield to instability: shock or pace early
Twelve-lead ECG and trend it
High-risk wide rhythms are VT until proved otherwise
Monitor, medicines and mechanical capture
Synchronise organised tachycardia; defibrillate VF/pulseless VT
Assess electrolytes, drugs and ACS
Follow local protocol and senior advice
Evaluate after conversion and educate before discharge

14. Examination questions

What clinical findings make a tachycardia unstable, and why is synchronized cardioversion used?
Describe a systematic approach to a wide-complex tachycardia.
Compare Mobitz I, Mobitz II and complete heart block and state when pacing is urgent.
Outline the immediate management of torsades de pointes.
Why must the patient, rather than the monitor, guide emergency treatment?

Key takeaways

Always establish pulse, perfusion and stability before naming the rhythm.
Unstable tachycardia with a pulse needs prompt synchronized cardioversion; VF/pulseless VT needs defibrillation and CPR.
Wide-complex tachycardia is VT until proven otherwise, and AV-nodal blockers can be dangerous in pre-excited AF.
High-grade AV block, symptomatic bradycardia and torsades require early pacing/defibrillation preparation and senior support.
Correct hypoxia, ischaemia, electrolytes, toxins and other reversible causes while continuing definitive rhythm treatment.

Educational note: This article supports study and supervised clinical learning. Emergency teams must use current local Uganda protocols, the approved drug formulary, device instructions and senior clinician guidance. Do not use it as a substitute for a bedside assessment.

Sources for further study

American Heart Association 2025 CPR and ECC algorithms.
AHA Adult Bradycardia With a Pulse Algorithm.
European Society of Cardiology atrial fibrillation guideline.
ACC summary of the 2024 ESC AF-CARE pathway.
AHA Adult Advanced Life Support scientific statement.
Current Uganda Ministry of Health emergency, ambulance, medicines and resuscitation protocols used by the supervising facility.

Dysrhythmias: Recognition, ECG Interpretation, Emergency Treatment and Nursing Care Read More »

Cardiac Tamponade: Recognition, Echocardiographic Assessment, Emergency Drainage and Nursing Care

CARDIAC TAMPONADE: RECOGNITION, ECHOCARDIOGRAPHIC ASSESSMENT, EMERGENCY DRAINAGE AND NURSING CARE

Cardiac tamponade pericardial effusion and emergency drainage illustration

Add a suitable educational image showing the pericardium, fluid compression of the heart, ultrasound findings and emergency drainage here.

Why this topic matters: Cardiac tamponade is a life-threatening haemodynamic syndrome in which fluid, blood, pus or another material accumulates in the pericardial space and raises intrapericardial pressure enough to impair cardiac filling and cardiac output. The speed of accumulation is more important than the absolute volume: a rapidly bleeding pericardium after trauma may cause collapse with a relatively small effusion, while a slowly accumulating effusion may become very large before symptoms appear. The emergency medical student must recognise obstructive shock, use bedside ultrasound early, support circulation without delaying definitive drainage, and coordinate cardiology, cardiothoracic surgery, anaesthesia, blood bank and critical-care help.

Learning objectives

Define pericardial effusion, cardiac tamponade, impending tamponade and obstructive shock.
Explain how intrapericardial pressure limits diastolic filling, stroke volume and coronary perfusion.
Recognise causes, risk factors, clinical patterns and red flags in medical, traumatic, postoperative and iatrogenic tamponade.
Perform a structured safety check, ABCDE assessment, focused history and cardiovascular examination.
Interpret point-of-care echocardiography and distinguish tamponade physiology from a simple effusion.
Start immediate supportive management, avoid harmful interventions and activate definitive drainage early.
Describe image-guided pericardiocentesis, surgical drainage, traumatic thoracotomy and post-drain monitoring.
Plan nursing observations, medicines, infection prevention, documentation, escalation, discharge teaching and prevention.

1. Definitions and core physiology

Pericardium: a fibrous outer sac and serous inner layers surrounding the heart. A small amount of lubricating fluid normally allows the heart to move with minimal friction. Pericardial effusion is abnormal fluid in this space. Cardiac tamponade occurs when pressure within the pericardial sac impairs cardiac filling and produces clinically important reduction in cardiac output. It is a clinical and haemodynamic diagnosis, not merely an echocardiographic measurement.

Concept	What happens	Emergency meaning
Pericardial effusion	Fluid collects between pericardial layers; it may be serous, inflammatory, malignant, purulent or blood.	An effusion can be stable, but it requires assessment for size, rate of accumulation and physiology.
Intrapericardial pressure	As volume rises, the relatively non-compliant pericardium increases pressure around the heart.	Once pressure approaches right-sided filling pressures, venous return and ventricular filling fall.
Right atrial and right ventricular compression	Low-pressure chambers collapse first, especially during their relaxation phases.	Reduced right-sided filling lowers pulmonary blood flow and left ventricular preload.
Reduced stroke volume	Less blood enters the ventricles during diastole; the heart compensates with tachycardia and vasoconstriction.	Compensation can fail suddenly, producing hypotension, shock, syncope or pulseless electrical activity.
Ventricular interdependence	When the total pericardial volume is fixed, increased right-sided filling shifts the septum toward the left ventricle.	Respiratory variation in filling and pulsus paradoxus may become prominent.
Obstructive shock	Mechanical obstruction to venous return and cardiac filling prevents adequate forward flow.	Definitive treatment is removal of the obstruction by draining or surgically opening the pericardium.

Safety principle: The absence of Beck's triad does not exclude tamponade. Tachycardia, hypotension and muffled heart sounds may be absent, especially early, in children, in ventilated patients, in hypovolaemia or when the effusion accumulates slowly. A deteriorating patient with a pericardial effusion needs repeated clinical and ultrasound assessment.

2. Causes and risk factors

Setting	Examples	Clues that should raise suspicion
Trauma	Penetrating chest injury, blunt cardiac rupture, rib or sternal injury, blast injury.	Sudden shock after trauma, narrow pulse pressure, distended neck veins, PEA, chest wound or unexplained deterioration.
Iatrogenic or procedural	Central venous access, pacemaker or electrophysiology procedure, coronary intervention, endomyocardial biopsy, cardiac surgery or ablation.	New hypotension, chest pain, dyspnoea or rising venous pressure after a procedure.
Malignancy	Lung, breast, lymphoma, leukaemia or metastatic disease.	Weight loss, known cancer, recurrent or large effusion and subacute dyspnoea.
Infection	Tuberculosis, bacterial purulent pericarditis, viral illness, HIV-associated disease and fungal infection.	Fever, night sweats, sepsis, immunosuppression or a loculated effusion.
Inflammatory or autoimmune	Pericarditis, systemic lupus, rheumatoid disease, vasculitis and post-myocardial injury syndromes.	Pleuritic chest pain, pericardial rub, inflammatory symptoms or recurrent effusion.
Renal or metabolic	Advanced uraemia, severe hypothyroidism and other systemic causes.	Renal failure, missed dialysis, oedema, fatigue or biochemical abnormality.
Bleeding tendency	Anticoagulation, thrombocytopenia, coagulopathy, haemophilia or liver disease.	Bruising, bleeding, recent medicine change or haemodynamic instability.
Aortic or myocardial disease	Proximal aortic dissection with rupture, myocardial rupture after infarction, ventricular free-wall rupture.	Sudden tearing pain, pulse deficit, new murmur, acute infarction or abrupt collapse.

2.1 Acute versus subacute tamponade

Acute: blood or fluid accumulates within minutes to hours. The pericardium has no time to stretch, so a modest volume may cause profound shock. Trauma and iatrogenic perforation are common contexts.
Subacute: fluid accumulates over days or weeks. The pericardium stretches, allowing a larger volume before collapse, but patients may decompensate when a small additional volume, infection, anaemia or dehydration removes their compensatory reserve.
Low-pressure tamponade: hypovolaemia lowers intracardiac pressures so pericardial pressure becomes relatively high even without marked venous distension. A quiet examination must not overrule the clinical picture.

3. Clinical presentation

3.1 Symptoms

Progressive or sudden dyspnoea, orthopnoea, chest pressure, fatigue, weakness or reduced exercise tolerance.
Light-headedness, presyncope or syncope caused by reduced cerebral perfusion.
Chest discomfort that may be pleuritic or positional; pain may be masked by trauma, sedation or critical illness.
Palpitations, anxiety, restlessness, confusion or a sense of impending collapse.
Abdominal fullness, nausea or early satiety in a large chronic effusion.
In children: irritability, poor feeding, sweating with feeds, tachypnoea, lethargy, pallor or unexplained shock.

3.2 Signs

Finding	Mechanism	Important limitation
Tachycardia	Compensatory attempt to preserve cardiac output.	May be blunted by beta-blockers, hypothermia, conduction disease or terminal collapse.
Hypotension and narrow pulse pressure	Reduced stroke volume and falling cardiac output.	Blood pressure can initially remain normal through vasoconstriction.
Raised JVP or distended neck veins	Impaired right-sided filling and venous return.	May be absent in hypovolaemia or obscured by obesity, trauma or ventilation.
Muffled heart sounds	Fluid dampens transmission of heart sounds.	Insensitive and difficult to hear in a noisy resuscitation area.
Pulsus paradoxus	Exaggerated inspiratory fall in systolic pressure caused by ventricular interdependence.	May be absent in atrial septal defect, severe LV failure, aortic regurgitation, positive-pressure ventilation or regional tamponade.
Clear lungs with shock	Obstructive rather than primary pulmonary shock.	Rales may occur if another process such as heart failure or pneumonia coexists.
Cool, clammy skin and oliguria	Peripheral vasoconstriction and reduced renal perfusion.	Trend capillary refill, mental status and urine output; do not rely on one sign.
Electrical alternans or low voltage	Heart swings within a large effusion and electrical signals are attenuated.	ECG can be normal and must not be used to rule out tamponade.

Beck's triad: hypotension, raised jugular venous pressure and muffled heart sounds. It is a useful classic teaching pattern, but it has poor sensitivity. Treat the patient, not the triad.

4. First contact and ABCDE assessment

Safety and call for help: place the patient in a monitored resuscitation area. Call the senior emergency clinician, cardiology, cardiothoracic surgery and anaesthesia/critical care. In trauma, activate the trauma team and prepare blood.
Airway: assess speech, patency, secretions, vomiting and consciousness. Prepare suction and airway equipment. Avoid unnecessary sedative induction before the circulation is supported because loss of sympathetic tone and positive pressure can precipitate arrest.
Breathing: record respiratory rate, effort, ability to speak, SpO₂, chest expansion and lung sounds. Give oxygen for hypoxaemia or respiratory distress. Look for tension pneumothorax, pulmonary embolism, pneumonia and acute heart failure.
Circulation: obtain continuous ECG, frequent non-invasive BP and SpO₂. Assess pulse quality, capillary refill, skin temperature, JVP, heart sounds, peripheral oedema and urine output. Establish two large-bore IV lines if possible; send urgent blood tests and group/crossmatch.
Disability: assess mental status, GCS, pupils and bedside glucose. Confusion, agitation or reduced consciousness may be cerebral hypoperfusion, hypoxia or an alternative diagnosis.
Exposure: inspect for penetrating wounds, surgical sites, pacemaker access sites, bruising, fever, rash and signs of infection. Preserve warmth and dignity.
Reassess continuously: repeat observations after every intervention, transport movement, analgesic, procedure or change in rhythm. Use trends rather than one reassuring measurement.

5. Focused history and examination

Domain	Questions or examination	Why it matters
Onset and time course	When did dyspnoea, chest pain, dizziness or collapse begin? Sudden or gradual? Getting worse?	Rapid onset suggests bleeding, trauma or perforation; slower onset suggests malignancy, TB or inflammatory disease.
Trigger and procedure	Recent chest injury, central line, pacemaker, cardiac catheterisation, surgery, biopsy or dialysis?	Raises the need for urgent procedural or surgical drainage.
Pericardial causes	Fever, TB exposure, HIV, cancer, autoimmune disease, renal failure, hypothyroid symptoms or recent myocardial infarction?	Guides investigations, fluid studies and treatment of the cause.
Medicines and bleeding	Anticoagulants, antiplatelets, steroids, chemotherapy, missed dialysis or recent dose changes?	Changes bleeding risk and peri-procedural planning.
Baseline cardiac status	Heart failure, pulmonary hypertension, congenital heart disease, previous pericardial effusion or surgery?	Determines reserve and helps interpret symptoms and ultrasound.
Shock symptoms	Syncope, oliguria, coldness, confusion, severe weakness or reduced exercise tolerance?	Shows end-organ impact and urgency of drainage.

6. Point-of-care ultrasound and investigations

6.1 Echocardiographic assessment

Bedside echocardiography is the fastest useful test in a shocked patient when a trained operator and machine are available. A pericardial effusion appears as an anechoic or hypoechoic collection around the heart; blood, pus, clotted blood or loculations can appear complex. Ultrasound must assess both the effusion and its physiological effect.

Ultrasound feature	Interpretation	Practical caution
Pericardial fluid	Fluid surrounding the heart, often best seen in subcostal, parasternal long-axis and apical views.	Pleural fluid is posterior to the descending aorta in parasternal long-axis; do not confuse the two.
Right atrial collapse	Inward collapse during right atrial relaxation suggests increased pericardial pressure.	Short-lived or regional collapse may be missed; interpret with the whole study.
Right ventricular diastolic collapse	Inward bowing of the RV free wall during early diastole is more specific for tamponade physiology.	RV hypertrophy, pulmonary hypertension and positive pressure can alter the sign.
Respiratory variation	Marked beat-to-beat changes in mitral and tricuspid inflow reflect ventricular interdependence.	Mechanical ventilation and irregular breathing reduce reliability.
Dilated IVC with reduced inspiratory collapse	Suggests elevated right atrial pressure.	Not reliable alone in a ventilated patient, pregnancy, right-heart failure or volume loading.
Abnormal filling and small hyperdynamic LV	Supports reduced preload and obstructive physiology when combined with effusion and clinical shock.	Hypovolaemia, sepsis and vasodilation can produce similar appearances.

Interpretation rule: A large effusion without haemodynamic compromise is not automatically tamponade, and a small effusion can be lethal when it accumulates rapidly. Correlate ultrasound with blood pressure, pulse, perfusion, symptoms, ventilation mode and the cause.

6.2 Other investigations

ECG: sinus tachycardia, low voltage, electrical alternans, ST-T changes or an apparently normal tracing. It supports but cannot exclude tamponade.
Chest radiograph: an enlarged, globular cardiac silhouette in a chronic large effusion; it may be normal in acute haemopericardium. Assess for pneumothorax, widened mediastinum, consolidation or trauma.
CT chest: useful in stable patients when trauma, aortic dissection, malignancy, pulmonary embolism or complex anatomy is suspected. Do not delay drainage in an unstable patient for CT.
Blood tests: full blood count, electrolytes, urea/creatinine, liver tests, coagulation profile, lactate, blood gas, CRP/ESR where relevant, troponin, group and crossmatch. Add malaria or HIV testing according to local assessment.
Blood cultures: obtain before antibiotics when this does not delay treatment in suspected purulent or septic pericarditis.
Pericardial fluid: when drained, send cell count, Gram stain and culture, acid-fast testing where TB is possible, cytology, protein/LDH and other locally available tests.

7. Immediate emergency management

7.1 Goals

Maintain coronary and cerebral perfusion while obtaining definitive drainage.
Prevent hypoxia, acidosis, hypothermia and avoidable reduction in venous return.
Identify and treat trauma, bleeding, infection, malignancy, renal failure or inflammatory disease.
Move rapidly to image-guided pericardiocentesis or surgical drainage when tamponade is causing shock.

7.2 Supportive measures while drainage is arranged

Position: keep the patient in the position that best maintains breathing and venous return, often semi-recumbent or sitting if tolerated. Avoid suddenly lying flat if it worsens dyspnoea or hypotension.
Oxygen and monitoring: give titrated oxygen for hypoxaemia or respiratory distress; attach ECG, pulse oximetry and frequent BP. Prepare defibrillator, suction and resuscitation equipment.
IV access and cautious fluid: obtain access and consider a small isotonic crystalloid bolus if the patient is hypotensive and hypovolaemic while drainage is being arranged. Reassess after each bolus; excessive fluid can worsen venous congestion and pulmonary oedema.
Vasopressor support: if shock persists despite appropriate cautious volume and drainage is imminent, a prescribed vasopressor may support perfusion in a monitored setting. It is a bridge, not definitive treatment.
Analgesia and anxiolysis: provide carefully titrated analgesia. Avoid large doses of sedatives or opioids that cause respiratory depression, vasodilation or loss of compensatory sympathetic tone.
Ventilation: avoid unnecessary positive-pressure ventilation. If intubation is unavoidable, call anaesthesia/critical care, prepare vasopressor support and use the lowest effective mean airway pressure because reduced venous return can precipitate arrest.
Anticoagulation: alert the procedural team immediately about anticoagulants, antiplatelets and coagulation results; reversal decisions are senior-led and balanced against thrombosis.
Do not delay: do not wait for complete laboratory results, CT, a perfect ECG or a classic triad when the patient is in obstructive shock with a compatible effusion.

Bridge, not cure: Fluids, oxygen and vasopressors can temporarily improve numbers, but they do not remove the pressure around the heart. Drainage is the life-saving treatment for haemodynamically significant tamponade.

8. Definitive drainage

8.1 Image-guided pericardiocentesis

In non-traumatic tamponade, urgent echocardiography-guided pericardiocentesis with catheter drainage is commonly used when the patient is unstable or when diagnostic fluid is required. It should be performed by a trained clinician with resuscitation, ultrasound and surgical backup appropriate to the setting.

Explain the procedure if the patient is conscious, obtain consent where possible and maintain sterile technique.
Review ultrasound to choose the safest route with the largest accessible fluid pocket and avoid lung, liver, internal mammary vessels and myocardium.
Prepare ECG, BP and SpO₂ monitoring, local anaesthetic, sterile kit, guidewire/pigtail catheter, syringes, drainage system and labelled laboratory containers.
Use continuous ultrasound and aspirate slowly. Sudden over-drainage can contribute to pericardial decompression syndrome; the cardiology team should guide volume and rate.
Confirm catheter position and clinical response with repeat ultrasound and haemodynamic observations. Secure and label the drain.
Send fluid for the indicated tests and record colour, clarity, clotting, volume and patient response.
Arrange definitive treatment of the cause and consider a surgical window for recurrent, loculated, purulent, malignant or traumatic effusions.

8.2 When surgery is preferred or required

Situation	Likely definitive approach	Why
Penetrating trauma or cardiac rupture	Emergency operative exploration, repair and evacuation; resuscitative thoracotomy in selected peri-arrest trauma.	Needle drainage alone may not control active bleeding or repair the injury.
Clotted haemopericardium	Surgical evacuation.	Clot may not drain through a needle or catheter.
Purulent pericarditis	Surgical drainage/window plus prolonged antimicrobial treatment.	Loculations and infected material often need source control.
Recurrent malignant effusion	Pericardial window, catheter strategy or oncology-directed intervention.	Reduces recurrence and allows diagnosis and symptom control.
Loculated or posterior effusion	Surgical or specialist image-guided approach.	Standard subxiphoid access may not reach the collection safely.
Failed or unsafe pericardiocentesis	Urgent cardiothoracic surgical drainage.	Persistent shock requires definitive decompression.

8.3 Peri-arrest and cardiac arrest

Start high-quality resuscitation according to local ALS/trauma protocol and identify tamponade as a reversible obstructive cause of PEA.
In traumatic arrest with suspected tamponade, resuscitative thoracotomy may be indicated in a capable trauma system; follow local trauma criteria and call the surgical team immediately.
In non-traumatic arrest, emergency pericardial drainage may be considered by a trained team when ultrasound and equipment are immediately available.
Do not allow prolonged unsuccessful needle attempts to replace early surgical consultation.

9. Nursing management

9.1 Priority monitoring

Record heart rate, rhythm, BP, pulse pressure, respiratory rate, SpO₂, temperature, pain, mental state and capillary refill at the frequency dictated by instability.
Observe JVP, peripheral perfusion, skin temperature, urine output and response to position or small fluid challenges.
Trend ultrasound findings, drainage volume, drain patency and the character of fluid; report sudden cessation with persistent shock.
Watch for recurrent tamponade: rising tachycardia, falling BP, worsening dyspnoea, pulsus paradoxus, increasing JVP, oliguria or altered consciousness.
Watch for complications: arrhythmia, coronary or myocardial puncture, pneumothorax, bleeding, infection, vasovagal collapse, pericardial decompression syndrome and catheter displacement.

9.2 Interventions and rationales

Intervention	Rationale and nursing action
Prepare early	Keep ultrasound, sterile drainage equipment, blood tubes, oxygen, suction and emergency drugs ready; reduce delays between diagnosis and drainage.
Maintain venous return	Use the tolerated position, avoid unnecessary intrathoracic pressure and report worsening after lying flat or positive-pressure ventilation.
Support oxygenation	Give prescribed oxygen for hypoxaemia and monitor response; treat respiratory distress without masking deterioration.
Give cautious fluids	Administer only the prescribed volume, reassess lung sounds, JVP, BP and perfusion, and document response.
Assist pericardiocentesis	Use sterile technique, maintain monitoring, reassure the patient, pass equipment, label samples and observe for dysrhythmia or sudden hypotension.
Manage the drain	Keep the system secured and below the insertion site as directed, check kinks, record hourly output and never clamp, flush or strip a drain unless local protocol orders it.
Prevent infection	Use aseptic dressing and handling, inspect the site, monitor temperature and send cultures when ordered.
Communicate with SBAR	Report cause and onset, vital-sign trends, ultrasound findings, drain output, anticoagulants, blood results and the exact escalation request.
Provide psychological support	Explain each step, protect privacy, involve family with consent and acknowledge fear; anxiety can increase oxygen demand and distress.

10. Special situations

10.1 Trauma and haemopericardium

Assume ongoing internal bleeding until proven otherwise. Control external haemorrhage, activate the massive transfusion/trauma pathway and obtain urgent surgical review.
Do not transfer an unstable trauma patient away from a capable resuscitation area for non-essential imaging.
Needle pericardiocentesis may be a temporary bridge in selected systems, but blood clot and active bleeding usually require operative management.

10.2 Post-procedure and postoperative tamponade

After cardiac surgery, tamponade may be localised and may present with low drainage output, unexplained shock, rising lactate or difficulty separating from ventilation without obvious classic signs.
After pacemaker or catheter procedures, sudden chest pain, hypotension or new tachycardia needs immediate ultrasound and cardiology review.
Do not assume hypotension is sepsis or bleeding alone; maintain a broad differential while checking the pericardium.

10.3 Pregnancy, children and ventilated patients

Pregnancy changes intravascular volume, heart position and ultrasound windows. Use maternal ABCDE, left uterine displacement when appropriate, fetal assessment and multidisciplinary obstetric/cardiac support.
Children may deteriorate with few warning signs. Use age-appropriate cuffs, weight-based medicines and early paediatric critical-care referral.
Positive-pressure ventilation can sharply reduce venous return. Optimise preload and drainage before induction whenever possible, with an experienced airway team.

11. Differentials of obstructive or undifferentiated shock

Condition	Clues	Immediate discriminator
Tension pneumothorax	Unilateral absent breath sounds, hyperresonance, tracheal deviation, severe respiratory distress.	Chest ultrasound and immediate decompression when strongly suspected.
Massive pulmonary embolism	Sudden dyspnoea, pleuritic pain, hypoxaemia, RV strain, VTE risk factors.	POCUS, ECG, CT pulmonary angiography if stable, and PE pathway.
Massive haemorrhage	External/internal bleeding, pallor, flat neck veins, falling Hb, abdominal or pelvic injury.	Trauma examination, FAST, blood gas/lactate and blood resuscitation.
Acute myocardial failure	Pulmonary oedema, crackles, ischemic ECG/troponin, poor LV function.	Lung and cardiac ultrasound; treat cause while supporting perfusion.
Septic shock	Fever or hypothermia, infection source, vasodilation, high lactate.	Look for infection and compare ultrasound, perfusion and fluid response.

12. Disposition, follow-up and prevention

ICU/critical care: persistent shock, escalating vasopressor need, hypoxia, mechanical ventilation, recurrent tamponade, severe acidosis, peri-arrest state or major trauma.
Inpatient cardiology/surgical care: any drained tamponade, significant effusion, purulent or malignant suspicion, ongoing drain, renal failure, anticoagulation or uncertain cause.
Safe discharge is unusual after tamponade: it requires specialist review, stable observations, resolved physiology, an identified cause, a clear follow-up plan and reliable return access.
Teach the patient to return urgently for breathlessness, chest pressure, syncope, palpitations, fever, bleeding, worsening weakness, reduced urine output or rapid swelling.
Address the cause: TB or bacterial treatment, renal replacement therapy, autoimmune therapy, malignancy care, anticoagulation review, post-procedure follow-up or surgical repair.
Document the diagnosis, ultrasound findings, drainage route, volume and fluid appearance, medicines, complications, consultations, handover and follow-up arrangements.

13. Worked clinical scenarios

Scenario 1: Subacute malignant effusion

A 58-year-old with weight loss and known lung cancer develops progressive dyspnoea, tachycardia and a narrow pulse pressure. The lungs are relatively clear. The team places the patient on monitoring, performs bedside echo showing a large effusion with right-sided chamber collapse, calls cardiology, obtains IV access and arranges urgent image-guided drainage. CT is deferred until haemodynamics are stable.

Scenario 2: Post-catheter collapse

Minutes after a central venous procedure, a patient develops chest pain, hypotension and tachycardia. The nurse recognises a procedure-related complication, calls the resuscitation team, checks for pneumothorax while obtaining a focused cardiac ultrasound, and prepares blood and drainage equipment. The patient does not wait for routine ward review.

Scenario 3: Penetrating chest trauma

A young adult arrives after a stab wound with worsening shock and a pericardial fluid collection on FAST. The team controls the airway only as needed, gives blood-based resuscitation, avoids unnecessary positive pressure, activates the trauma surgeon and prepares emergency operative management. Needle aspiration is not treated as definitive control of the wound.

Scenario 4: Normal blood pressure, dangerous physiology

A patient with renal failure has dyspnoea, tachycardia and a large effusion. Blood pressure is 112/72 mmHg, but the patient is cool, oliguric and confused compared with baseline. Ultrasound shows right atrial collapse and respiratory variation. Early escalation and drainage prevent the patient from being falsely reassured by a single normal BP.

Scenario 5: Ventilated patient deteriorates

A ventilated postoperative patient develops sudden hypotension and rising airway pressures. The nurse checks the tube and circuit, calls for help, considers tension pneumothorax and tamponade, and obtains urgent ultrasound. The team reduces unnecessary mean airway pressure where safe and arranges immediate definitive treatment.

TAMPONADE
T – Think obstructive shock when shock has clear lungs · A – Assess ABCDE, access, ECG and ultrasound · M – Monitor trends, mental status, urine and pulse pressure · P – Pericardial fluid plus physiology is an emergency · O – Oxygen for hypoxaemia; avoid unnecessary positive pressure · N – Never delay drainage for a classic triad or non-essential CT · A – Arrange cardiology/cardiothoracic and anaesthetic help · D – Drain, diagnose the cause and document the response · E – Escalate recurrent shock, complications and inadequate output.

14. Examination and revision questions

Define cardiac tamponade and explain how it causes obstructive shock.
Why can the rate of fluid accumulation be more important than the absolute effusion volume?
List causes of traumatic, iatrogenic, malignant, infectious and inflammatory tamponade.
Describe the limitations of Beck's triad and pulsus paradoxus.
Which echocardiographic findings support tamponade physiology?
Outline the first five minutes of care for a shocked patient with a pericardial effusion.
Why should positive-pressure ventilation and large unreviewed fluid loads be avoided?
Compare image-guided pericardiocentesis with surgical drainage.
What samples should be sent when pericardial fluid is drained?
List nursing observations and complications after pericardial drainage.
How would management differ in penetrating trauma, purulent pericarditis and postoperative tamponade?

Key takeaways

Cardiac tamponade is a haemodynamic emergency caused by impaired cardiac filling, not simply a large fluid measurement.
Clinical examination alone is unreliable; focused echocardiography should be obtained early in suspected shock.
Supportive measures are bridges. Urgent drainage is definitive treatment for haemodynamically significant tamponade.
Traumatic, clotted, purulent, loculated and recurrent effusions often need surgery rather than needle drainage alone.
Small changes in mental state, pulse pressure, urine output, JVP, drain output or ultrasound can signal deterioration.
Early team communication and careful airway/ventilation planning can prevent peri-procedural arrest.

Suggested references

European Society of Cardiology. 2025 Guidelines for myocarditis and pericardial syndromes.
European Society of Cardiology. Pericardiocentesis in cardiac tamponade: indications and practical aspects.
European Society of Cardiology. Cardiac tamponade: a clinical challenge.
American College of Emergency Physicians. Cardiac tamponade and ultrasound-guided pericardiocentesis.
NCBI Bookshelf. Cardiac Tamponade.
Use current Uganda Ministry of Health, emergency, trauma, cardiology, cardiothoracic surgery, tuberculosis, HIV, blood-transfusion and critical-care protocols for local treatment and referral.

Cardiac Tamponade: Recognition, Echocardiographic Assessment, Emergency Drainage and Nursing Care Read More »

Sickle Cell Crisis: Vaso-Occlusive Pain, Acute Chest Syndrome, Stroke and Emergency Nursing Care

SICKLE CELL CRISIS: VASO-OCCLUSIVE PAIN, ACUTE CHEST SYNDROME, STROKE AND EMERGENCY NURSING CARE

Sickle cell vaso-occlusion and emergency assessment illustration

Add a suitable educational image showing sickled red cells, vaso-occlusion, acute chest syndrome and emergency care here.

Why this topic matters: Sickle cell disease (SCD) is an inherited haemoglobin disorder in which red cells can become rigid, adhesive and sickle-shaped. A crisis may be a painful vaso-occlusive episode, but severe infection, acute chest syndrome, stroke, acute anaemia, splenic sequestration, priapism and multiorgan failure can evolve rapidly. Pain must be treated promptly and respectfully while the team actively searches for life-threatening complications. Emergency medical students should know the patient's baseline, recognise atypical deterioration, prevent hypoxia and hypothermia, avoid harmful fluid overload, and escalate early.

Learning objectives

Explain the inheritance, haemoglobin change, red-cell sickling and chronic haemolysis of SCD.
Distinguish vaso-occlusive pain from acute chest syndrome, stroke, sepsis, splenic sequestration, aplastic crisis, haemolytic crisis, priapism and other emergencies.
Perform rapid triage, ABCDE assessment, focused history, pain assessment and baseline neurological examination.
Describe investigations, including full blood count, reticulocytes, blood film, cultures, chest imaging, blood gas, renal tests and type-and-crossmatch.
Outline immediate analgesia, oxygenation, warming, hydration, incentive spirometry and treatment of triggers.
Explain when simple or exchange transfusion is considered and why transfusion targets must be specialist-directed.
Plan nursing monitoring, medicine safety, psychosocial support, discharge teaching and prevention.

1. Definition and haemoglobin biology

Sickle cell disease describes inherited disorders caused by abnormal beta-globin haemoglobin, most commonly haemoglobin SS, but also SC, Sβ⁰-thalassaemia, Sβ⁺-thalassaemia and other compound states. Sickle cell trait is different: most people with trait do not have SCD, although rare complications can occur in extreme physiological conditions. Confirm genotype from the patient record or laboratory testing rather than assuming it from appearance or a single haemoglobin value.

Concept	What happens	Emergency relevance
Deoxygenated HbS polymerisation	When oxygen tension falls, HbS molecules polymerise and distort the red cell into a rigid sickle shape.	Hypoxia, acidosis, dehydration, fever, cold and stress can accelerate sickling.
Vaso-occlusion	Rigid, adhesive cells and activated endothelium obstruct small vessels, causing ischaemia and inflammation.	Produces severe pain, acute chest syndrome, stroke, bone infarction and organ injury.
Chronic haemolysis	Sickled cells have a shortened lifespan; haemoglobin is released and nitric oxide is consumed.	Baseline anaemia, jaundice, pigment gallstones, pulmonary hypertension and high-output stress may occur.
Functional asplenia	Repeated splenic infarction reduces clearance of encapsulated bacteria, especially in children with HbSS.	Fever may indicate rapidly progressive sepsis even when the patient initially looks well.
Endothelial and inflammatory activation	Leukocytes, platelets and endothelium interact with sickled cells, amplifying obstruction and pain.	Pain is real, complex and not reliably predicted by the haemoglobin level or physical examination.

Clinical safety principle: A patient with SCD may have a low baseline haemoglobin and chronic pain history. Compare current findings with the individual's documented baseline, but never dismiss new pain, fever, chest symptoms or neurological change as “just their usual crisis.”

2. Triggers and risk factors

Dehydration, vomiting, diarrhoea, poor intake, prolonged travel or inability to access fluids.
Respiratory infection, malaria or other febrile illness, sepsis, acute chest infection and viral illness.
Hypoxia, acidosis, high altitude, cold exposure, exhaustion or strenuous exertion.
Pregnancy, surgery, anaesthesia, immobilisation and inadequate peri-operative oxygenation or analgesia.
Emotional stress, sleep deprivation, untreated depression, domestic violence, stigma or delayed access to care.
Missed hydroxyurea, penicillin prophylaxis, vaccination, folic acid or chronic transfusion appointments where these are prescribed.
Smoking, tobacco exposure, alcohol, unregulated medicines, nephrotoxins and poor access to disease-modifying treatment.

2.1 A practical trigger screen: SICKLE

SICKLE
S – Sepsis, sick contact or surgery · I – Intake, infection and inadequate hydration · C – Chest symptoms, cold or carbon monoxide · K – Known baseline, genotype and medicines · L – Low oxygen, late pregnancy or laboratory change · E – Exertion, emotional stress, exposure and missed treatment.

3. Types of sickle cell emergency

Emergency	Core features	Why it is dangerous
Vaso-occlusive pain episode (VOE)	Acute or worsening pain in bones, back, chest, abdomen or limbs without another better explanation.	Severe pain, immobility, dehydration and hypoventilation can precipitate acute chest syndrome and chronic organ injury.
Acute chest syndrome (ACS)	New pulmonary infiltrate plus fever, chest pain, cough, tachypnoea, hypoxia or respiratory symptoms during SCD.	Can progress rapidly to respiratory failure, pulmonary hypertension, sepsis and death; treat as a medical emergency.
Stroke/TIA	Sudden weakness, facial asymmetry, speech or visual change, seizure, confusion or altered consciousness.	Ischaemic and haemorrhagic stroke occur; early imaging and transfusion pathway can reduce permanent injury.
Acute anaemic or haemolytic crisis	Sudden pallor, fatigue, dyspnoea, tachycardia, jaundice, dark urine, syncope or a marked Hb fall.	Reduced oxygen delivery, cardiac strain and shock may develop.
Splenic or hepatic sequestration	Rapid splenic/abdominal enlargement, pallor, weakness, tachycardia and falling Hb; usually in young children but hepatic sequestration can affect adults.	Large-volume pooling can cause hypovolaemic shock.
Aplastic crisis	Sudden anaemia with an inappropriately low reticulocyte count, often after parvovirus infection.	Severe reduction in red-cell production can cause collapse, especially in children.
Sepsis/meningitis	Fever, rigors, lethargy, hypotension, confusion, neck stiffness or respiratory symptoms.	Functional asplenia increases risk of overwhelming infection.
Priapism	Painful erection lasting four hours or longer, often recurrent or stuttering.	Prolonged ischaemia causes erectile dysfunction; urgent urological treatment is needed.
Multiorgan failure	Severe VOE with hypoxia, renal/liver injury, encephalopathy, coagulopathy or shock.	Requires critical-care and haematology escalation, often exchange transfusion consideration.

4. Vaso-occlusive pain episode

4.1 Assessment

Ask the patient where the pain is, when it began, how it feels, severity, prior treatment, usual crisis pattern and what has helped before.
Do not use a low pain score from a quiet patient to exclude severe pain; observe function, breathing, movement, hydration and distress.
Search for red flags: fever, chest pain, cough, dyspnoea, focal neurology, severe headache, abdominal distension, pallor, jaundice, dark urine, priapism, pregnancy or trauma.
Assess pain in children using age-appropriate tools and include the caregiver's description of baseline behaviour and previous episodes.

4.2 Immediate emergency care

Move the patient to a timely analgesia pathway; attach observations and obtain IV access if needed without delaying pain treatment.
Give the patient's individualised analgesia plan when available. Use prescribed paracetamol/acetaminophen, NSAID when renal function and bleeding risk allow, and opioid analgesia for moderate-to-severe pain according to local protocol.
Reassess pain and sedation at defined intervals; use a bolus and reassessment approach rather than an unmonitored large dose. Consider patient-controlled analgesia only in an appropriate monitored setting.
Keep the patient warm, calm and gently positioned. Use heat, relaxation, music, guided breathing and family support as adjuncts—not substitutes for analgesia.
Assess hydration clinically. Give oral fluids if safe; use cautious isotonic IV fluid only for dehydration or another clear indication, avoiding routine over-hydration.
Give oxygen for documented hypoxaemia or respiratory distress, not automatically to every patient with pain.
Use incentive spirometry, upright positioning and mobilisation as tolerated, especially in hospitalised patients with chest/back pain or opioid use.

Respectful care: Previous repeated admissions do not prove drug-seeking. Ask about the patient's personalised pain plan, previous effective dose and functional goals; assess objectively for complications while providing timely, non-judgemental analgesia.

5. Acute chest syndrome

Acute chest syndrome is a life-threatening new pulmonary illness in SCD. It may be caused by infection, fat embolism, pulmonary infarction, atelectasis or hypoventilation after surgery/opioids. It can begin with pain and only later develop hypoxia, so repeated reassessment is essential.

5.1 Clinical clues

New cough, fever, tachypnoea, chest pain, wheeze, crackles, hypoxia, increased work of breathing or a new infiltrate.
Unexplained falling oxygen saturation, rising respiratory rate, fatigue, confusion or inability to speak.
Rapid Hb fall, thrombocytopenia, worsening pain, haemoptysis or signs of sepsis.

5.2 Management priorities

Call senior/haematology and critical-care help early. Perform ABCDE, continuous SpO₂/ECG monitoring and frequent respiratory observations.
Give titrated oxygen to the local target, obtain chest imaging, blood gas when severe, cultures when infection is suspected and urgent full blood count/reticulocytes.
Start prescribed broad-spectrum antibiotics promptly when infection or ACS is suspected, following local resistance and malaria/sepsis protocols.
Provide adequate analgesia without oversedation; monitor respiratory rate, sedation score and carbon-dioxide retention risk.
Use incentive spirometry while awake, physiotherapy and careful mobilisation; treat bronchospasm if present.
Transfusion may be simple or exchange depending on Hb, oxygenation, clinical severity and progression. Avoid raising Hb above the specialist target because hyperviscosity can worsen flow.
Escalate for NIV/intubation when respiratory fatigue, refractory hypoxia, reduced consciousness, shock or worsening gas exchange develops.

6. Neurological emergencies and stroke

Any sudden focal deficit, aphasia, facial droop, seizure, severe headache, visual change, ataxia or altered consciousness is a stroke emergency until proven otherwise.
Record last-known-well time, glucose, GCS, pupils, limb power, speech, sensation, gait when safe and seizure duration.
Activate the local stroke pathway, obtain urgent brain imaging and involve haematology. Do not delay specialist transfusion assessment while waiting for a “sickle crisis” label.
Ischaemic stroke may require urgent simple or exchange transfusion to reduce HbS percentage; haemorrhage needs neurosurgical/critical-care care and a different transfusion strategy.
Maintain oxygenation, normoglycaemia, temperature and safe blood pressure according to stroke protocol; keep nil by mouth until swallow assessment.
After the acute episode, children and selected adults need transcranial Doppler surveillance and a secondary-stroke prevention plan.

7. Fever, sepsis and infection

Functional asplenia means fever can progress rapidly. A temperature around 38.5°C or higher, rigors, toxic appearance, respiratory symptoms, hypotension or altered behaviour needs urgent hospital assessment.

Action	Practical details	Reason
Recognise	Check temperature, pulse, respiratory rate, BP, SpO₂, mental status, perfusion and urine output; compare with baseline.	Early sepsis can be subtle in a chronically anaemic patient.
Investigate	Blood cultures before antibiotics when this will not cause delay, FBC, reticulocytes, renal/liver tests, lactate, urinalysis and chest imaging as indicated.	Identifies bacteremia, ACS, haemolysis and organ dysfunction.
Treat	Give prompt prescribed antibiotics, oxygen for hypoxia, cautious fluids for shock and source-control treatment according to local sepsis protocol.	Delay increases risk of overwhelming infection.
Prevent	Review vaccines, penicillin prophylaxis in children where prescribed, malaria prevention, hand hygiene and sick-day advice.	Prevention is a core part of SCD emergency care.

8. Acute anaemia, haemolysis and sequestration

8.1 Acute anaemic crisis

Suspect with a fall in Hb from baseline, pallor, fatigue, tachycardia, dyspnoea, syncope, heart failure, jaundice or dark urine.
Check FBC, reticulocyte count, bilirubin, LDH, haptoglobin where available, blood film, renal function, type-and-screen and crossmatch.
High reticulocytes suggest haemolysis/sequestration; low reticulocytes suggest aplastic crisis or marrow suppression.
Transfusion is specialist-directed and may be simple or exchange; check antibodies and previous transfusion reactions carefully.

8.2 Splenic or hepatic sequestration

Look for sudden abdominal enlargement, pallor, weakness, tachycardia, hypotension and a rapidly falling Hb, especially in a child.
Call resuscitation and haematology help, obtain large-bore access, monitor perfusion and prepare blood urgently.
Use cautious fluid resuscitation if shock is present and avoid delaying transfusion assessment; repeated episodes require a prevention plan.

8.3 Aplastic crisis

Parvovirus B19 may cause fever, pallor and profound anaemia with reticulocytopenia.
Use infection precautions where indicated, confirm reticulocytes and arrange transfusion/haematology review; assess siblings or pregnant contacts through appropriate services.

9. Priapism

Ask sensitively about duration, pain, previous episodes, urinary symptoms, medicines and sexual function.
An erection lasting four hours or more is an emergency. Do not send the patient away with reassurance or rely on oral fluids alone.
Provide analgesia, hydration only if indicated, oxygen for hypoxia, and urgent urology/haematology consultation for aspiration, irrigation, intracavernosal treatment or exchange transfusion as locally available.
Recurrent stuttering priapism needs specialist prevention, not repeated emergency treatment without follow-up.

10. Other acute complications

Complication	Clues	Emergency approach
Bone infarction/osteomyelitis	Focal bone pain, swelling, fever, reduced movement or persistent pain unlike usual VOE.	Examine, obtain cultures/imaging as indicated and treat infection and pain; do not assume every limb pain is uncomplicated VOE.
Septic arthritis	Hot swollen joint, severe movement pain, fever or systemic toxicity.	Urgent orthopaedic assessment, aspiration/culture and antibiotics.
Acute kidney injury	Oliguria, dark urine, proteinuria, hypertension, oedema, electrolyte or acid-base abnormality.	Track urine output, stop nephrotoxins, adjust medicines and involve renal specialists.
Gallstone/hepatic crisis	Jaundice, RUQ pain, fever, vomiting or rapidly abnormal liver tests.	Ultrasound, infection assessment, analgesia, hydration strategy and surgical/medical review.
Acute eye event	Sudden visual loss, floaters, eye pain or trauma.	Urgent ophthalmology; avoid delay from labelling it as a routine crisis.
Pregnancy complication	Pain crisis, ACS, pre-eclampsia, fetal growth concern or thrombosis.	Joint obstetric, haematology, anaesthetic and neonatal planning; medicine safety is individualised.
Venous thromboembolism	Sudden dyspnoea, pleuritic pain, unilateral swelling, syncope or unexplained tachycardia.	ABCDE, ECG/oxygen, validated imaging pathway and anticoagulation/reperfusion review.

11. Focused history and examination

Domain	Ask or examine	Why it matters
Baseline SCD	Genotype, usual Hb, usual pain sites, ACS/stroke history, transfusion antibodies, organ complications and individual care plan.	Separates chronic baseline from dangerous change and prevents incompatible transfusion choices.
Current crisis	Onset, site, severity, function, pain plan used, response, oral intake and triggers.	Guides analgesia and identifies atypical disease.
Chest and infection	Fever, cough, chest pain, dyspnoea, sick contacts, sputum, travel, malaria exposure and vaccination.	ACS and sepsis may be present together.
Neurology	Last-known-well, weakness, speech, vision, headache, seizure and confusion.	Activates time-critical stroke care.
Anaemia/haemolysis	Pallor, fatigue, jaundice, dark urine, bleeding, splenic enlargement and syncope.	Finds sequestration, aplasia and haemolysis.
Medicines and access	Hydroxyurea, penicillin, folate, chelation, analgesics, anticoagulants, allergies, missed doses, pharmacy access and previous reactions.	Prevents omissions, toxicity and avoidable readmission.
Psychosocial care	School/work, transport, pain stigma, mood, family support, safeguarding, pregnancy possibility and preferred communication.	Improves trust, adherence and safe discharge.

12. ABCDE assessment

Safety and help: move to a monitored area, call senior emergency, haematology, paediatric, obstetric or critical-care support based on presentation, and bring analgesia, oxygen, suction, blood-sampling and resuscitation equipment.
Airway: assess voice, patency, secretions, vomiting and consciousness; prepare airway support for stroke, seizure, opioid toxicity or fatigue.
Breathing: rate, effort, ability to speak, SpO₂, chest expansion, auscultation, temperature and cough; suspect ACS early even before a radiograph is available.
Circulation: pulse, BP, capillary refill, skin, hydration, JVP, oedema, IV access, urine output and signs of shock; obtain blood samples and type-and-crossmatch when indicated.
Disability: pain score, sedation score, glucose, GCS, pupils, focal deficits, seizure and severe headache.
Exposure: inspect painful areas, swelling, joints, abdomen/spleen, jaundice, pressure areas, priapism when relevant and pregnancy signs; preserve warmth and dignity.
Reassess: after each analgesic, oxygen, fluid, antibiotic or transfusion decision; record trends and escalate deterioration.

13. Investigations

Investigation	Purpose	Safety/interpretation
Full blood count and reticulocytes	Hb baseline/fall, white cells, platelets and marrow response.	Interpret against the patient's usual Hb; low reticulocytes suggest aplasia.
Blood film	Sickled cells, target cells, haemolysis, malaria parasites or schistocytes.	Do not use film alone to diagnose genotype or severity.
Group, screen and crossmatch	Prepares for simple or exchange transfusion.	Record antibodies and prior reactions; involve blood bank early.
Blood cultures and infection tests	Sepsis, bacteremia, malaria, viral or bacterial source.	Draw cultures promptly but never delay antibiotics in an unstable patient.
Urea, creatinine, electrolytes, glucose	Renal injury, dehydration, medicine safety and metabolic triggers.	Guides fluid, NSAID and opioid decisions.
Bilirubin, LDH, liver tests	Haemolysis and hepatic/biliary complication.	Trend results; interpret with baseline and clinical findings.
Chest X-ray and lung ultrasound	New infiltrate, ACS, pneumonia, oedema or effusion.	A normal early image does not exclude evolving ACS; repeat if symptoms progress.
ECG/troponin	Hypoxia, chest pain, dysrhythmia or myocardial injury.	SCD patients can have cardiac disease; do not assume chest pain is only VOE.
Blood gas/lactate	Severe hypoxia, hypercapnia, acidosis and shock.	Use in respiratory distress or critical illness; escalate with worsening trends.
CT/MRI brain and vascular imaging	Stroke, haemorrhage, cerebral venous thrombosis or other focal deficit.	Record last-known-well and stabilise ABCs without losing the time window.
Urinalysis, pregnancy test and focused imaging	Renal disease, pregnancy, biliary disease, splenic enlargement, bone/joint infection or VTE.	Choose imaging according to symptoms and pregnancy status.

14. Transfusion principles

Transfusion is not routine treatment for uncomplicated pain alone. It is considered for selected acute anaemia, ACS, stroke, sequestration, multiorgan failure and peri-operative situations.
Simple transfusion raises oxygen-carrying capacity but can increase viscosity. It is often considered for acute symptomatic anaemia or selected moderate ACS.
Exchange transfusion removes sickled cells while replacing with donor red cells and is considered for severe/progressive ACS, acute stroke, severe multiorgan failure or other specialist indications.
Do not transfuse to a target Hb above the specialist-recommended range; hyperviscosity may worsen microvascular flow.
Check ABO/Rh compatibility, extended phenotype/genotype matching where available, antibody history, consent, baseline observations and reaction monitoring.
Watch for acute haemolytic reaction, delayed haemolytic reaction, alloimmunisation, iron overload, circulatory overload, hypocalcaemia and transfusion-transmitted infection.

Escalation rule: In severe ACS, stroke or rapidly worsening multiorgan disease, call haematology and critical care while blood is being prepared. Do not wait for the Hb result to “look low enough” before seeking specialist advice.

15. Medicines and supportive therapy

Therapy	Role	Safety considerations
Paracetamol/acetaminophen	Foundation analgesia for mild to moderate pain and combination therapy.	Check total daily dose, liver disease and combination products.
NSAID	Short course for selected inflammatory/bone pain when renal function and bleeding risk permit.	Avoid or modify in AKI, dehydration, GI bleeding, anticoagulation, pregnancy-specific situations or severe asthma sensitivity.
Opioid	Moderate-to-severe VOE pain or ACS pain under a protocol.	Monitor respiratory rate, sedation, oxygenation, nausea, constipation and dependence risk; titrate to functional comfort.
Antibiotics	Fever, sepsis, pneumonia or ACS when infection is possible.	Use local antimicrobial guidance, cultures and renal adjustment; do not delay in shock.
Hydroxyurea	Disease-modifying therapy increasing fetal haemoglobin and reducing crises for eligible patients.	Long-term specialist medicine; check adherence, blood counts, pregnancy advice and toxicity monitoring.
Folate and preventive antibiotics	Supportive and infection-prevention therapy where prescribed.	Review actual access and adherence rather than assuming the patient has supplies.
Anticoagulation	VTE treatment or prophylaxis when indicated by risk and diagnosis.	Assess bleeding, platelet count, renal function, pregnancy and transfusion plan.

16. Nursing management

16.1 Priority monitoring

Pain score, functional goal, sedation score, respiratory rate, SpO₂, oxygen device, chest findings and temperature.
Pulse, BP, rhythm, capillary refill, skin, hydration, urine output and mental status.
Neurological observations, pupils, limb power, speech, seizure activity and last-known-well time when relevant.
Hb/reticulocytes, platelets, white count, renal/liver trend, lactate, cultures and transfusion observations.
IV site, pump, opioid effect, antibiotic timing, incentive-spirometry use, mobility, pressure areas and constipation.

16.2 Interventions and rationales

Intervention	Rationale and practical action
Give timely analgesia	Prompt, individualised pain relief reduces stress, hypoventilation and delayed presentation; reassess effect and adverse effects.
Prevent hypoxia and hypothermia	Warmth, oxygen for hypoxaemia, upright positioning and chest observation reduce sickling triggers and respiratory deterioration.
Encourage safe breathing and mobility	Incentive spirometry, coughing, physiotherapy and gentle mobilisation reduce atelectasis and ACS risk.
Balance fluids	Offer oral fluids when safe and use prescribed IV fluid only for clear need; document input/output and signs of overload.
Administer medicines safely	Check allergies, renal/liver function, interactions, sedation, pregnancy status and the five rights; avoid repeated unreviewed opioids or NSAIDs.
Support transfusion	Verify identity and compatibility, baseline observations, consent, infusion rate and reaction signs; document the unit and response.
Communicate respectfully	Use the patient's care plan, validate pain, explain procedures, provide privacy and involve family with consent.
Escalate early	Use SBAR with baseline Hb, current trend, SpO₂, respiratory rate, pain response, urine output, neurological change and exact request.

17. Disposition and discharge

ICU/HDU: refractory hypoxia, severe ACS, shock, altered consciousness, seizure, stroke, multiorgan failure, invasive ventilation or exchange transfusion.
Inpatient monitored care: fever/sepsis, moderate ACS, acute anaemia, uncontrolled pain, high opioid requirement, AKI, sequestration, pregnancy complication or inability to maintain oral intake.
Safe discharge: pain controlled on a realistic plan, no red flags, stable observations, adequate intake/urine output, clear medicines, follow-up, transport and return precautions.
Provide written advice to return urgently for fever, chest pain, breathlessness, severe headache, weakness/speech change, seizure, abdominal swelling, pallor/fainting, prolonged priapism, dark urine or uncontrolled pain.
Review hydroxyurea and preventive medicines, vaccinations, malaria prevention, penicillin where prescribed, reproductive goals, mental health, school/work and pain-plan access.

18. Prevention and chronic care

Hydroxyurea or another disease-modifying plan when eligible; monitor full blood count and adherence through the SCD team.
Vaccination against pneumococcus, meningococcus, Haemophilus influenzae, influenza and other locally recommended infections.
Penicillin prophylaxis in children when prescribed; prompt fever assessment and malaria prevention in endemic areas.
Regular transcranial Doppler screening for children at stroke risk, eye review, renal/BP monitoring, pulmonary and cardiac assessment.
Hydration, warmth, safe exercise, sleep, nutrition, folate where prescribed, smoking cessation and avoidance of unregulated remedies.
Individual emergency plan: genotype, baseline Hb, antibodies, analgesia plan, transfusion history, specialist contacts and preferred hospital.
Address stigma and barriers. Shared decision-making, patient education and reliable medicine access prevent avoidable emergency visits.

19. Worked clinical scenarios

Scenario 1: Uncomplicated vaso-occlusive pain

A 22-year-old with HbSS presents with severe back and limb pain after several days of poor intake. SpO₂ is normal, there is no fever, chest symptom or neurological deficit, and Hb is close to baseline. The nurse validates the pain, starts the individualised analgesia pathway promptly, offers oral fluids, keeps the patient warm, reassesses sedation and pain, and searches for a trigger without automatically ordering a transfusion.

Scenario 2: Evolving acute chest syndrome

A patient admitted for rib pain develops fever, tachypnoea, falling SpO₂ and a new infiltrate. The team calls haematology/critical care, starts oxygen, cultures and antibiotics, obtains repeat imaging and blood gas, gives carefully monitored analgesia, encourages incentive spirometry and prepares transfusion assessment. Increasing fatigue or hypoxia triggers escalation for respiratory support and possible exchange transfusion.

Scenario 3: Acute stroke

A child with SCD suddenly develops right-sided weakness and slurred speech. Last-known-well time and glucose are recorded, ABCDE is performed, the stroke pathway is activated, urgent imaging and haematology review are arranged, and the team avoids delays caused by assuming the deficit is pain or sedation. Exchange transfusion assessment begins urgently.

Scenario 4: Acute anaemia and sequestration

A six-year-old becomes pale and lethargic with tachycardia and a rapidly enlarging spleen. The nurse recognises possible sequestration, calls resuscitation and haematology, obtains large-bore access, checks Hb/reticulocytes and crossmatch, monitors perfusion and prepares blood while using cautious shock resuscitation.

Scenario 5: Fever and pain

A teenager presents with limb pain and a temperature of 39°C. Pain treatment proceeds promptly, but fever is treated as possible sepsis: cultures, FBC, lactate, renal tests, malaria assessment where relevant, chest examination and prescribed antibiotics are arranged. The patient is not discharged simply because the pain resembles previous crises.

SICKLE-SAFE
S – Search for sepsis, stroke and severe chest disease · I – Identify baseline Hb, genotype and care plan · C – Control pain promptly and compassionately · K – Keep oxygenation, warmth and hydration safe · L – Look for anaemia, sequestration, priapism and renal injury · E – Escalate early to haematology/critical care · S – Spirometry and surveillance · A – Assess transfusion need and antibodies · F – Fever is an emergency until evaluated · E – Educate, prevent and ensure follow-up.

20. Examination and revision questions

Explain HbS polymerisation, vaso-occlusion, haemolysis and functional asplenia.
Differentiate uncomplicated VOE from acute chest syndrome, sepsis, stroke and acute anaemia.
Describe the first-hour management of severe sickle pain.
List the clinical and radiological features of acute chest syndrome.
When is simple or exchange transfusion considered, and why should Hb not be raised excessively?
Outline the assessment of a child with suspected splenic sequestration.
Describe emergency management of acute focal neurological deficit in SCD.
Explain safe nursing monitoring for opioids, IV fluids, antibiotics and transfusion.
Discuss priapism, fever, renal injury, osteomyelitis and pregnancy as SCD emergencies.
Prepare a discharge and prevention plan for a patient with recurrent VOE.

Key takeaways

Rapid analgesia and respectful assessment are essential, but pain must never stop the team searching for complications.
Acute chest syndrome, stroke, sepsis, acute anaemia, sequestration and priapism are time-critical emergencies.
Compare current results with the individual's baseline Hb, oxygenation and functional state.
Oxygen is for hypoxaemia, fluids are cautious and transfusion targets are specialist-directed.
Incentive spirometry, warmth, safe mobility, infection prevention and careful opioid monitoring reduce deterioration.
Early haematology, blood-bank, obstetric, paediatric and critical-care communication saves time.
Prevention includes disease-modifying therapy, vaccination, prophylaxis, screening, education and an accessible individual emergency plan.

Suggested references

American Society of Hematology. Clinical practice guidelines for sickle cell disease.
ASH pocket guide: Management of acute complications of sickle cell disease.
National Heart, Lung, and Blood Institute. Health effects of sickle cell disease.
CDC. Acute chest syndrome and other sickle-cell complications.
World Health Organization. Sickle-cell disease fact sheet and global care guidance.
Use current Uganda Ministry of Health, haematology, emergency, transfusion, malaria, paediatric and obstetric protocols for local treatment, blood availability and referral.

Sickle Cell Crisis: Vaso-Occlusive Pain, Acute Chest Syndrome, Stroke and Emergency Nursing Care Read More »

Hypertensive Emergency: Crisis Assessment, Target-Organ Damage, Treatment and Nursing Care

HYPERTENSIVE EMERGENCY: CRISIS ASSESSMENT, TARGET-ORGAN DAMAGE, TREATMENT AND NURSING CARE

Hypertensive emergency assessment and emergency blood pressure management illustration

Add a suitable educational image showing blood-pressure assessment, target-organ injury and emergency treatment here.

Why this topic matters: A very high blood-pressure reading is not automatically a hypertensive emergency. The emergency is defined by acute or worsening target-organ injury—brain, heart, aorta, kidneys, retina or pregnancy-related organs—not by the number alone. Conversely, a patient can have severe organ injury without an extremely high reading if pressure has fallen rapidly from a high baseline. Emergency medical students must measure blood pressure accurately, recognise subtle organ injury, avoid dangerous rapid normalisation, select monitored treatment, and communicate deterioration early.

Learning objectives

Define hypertension, severe asymptomatic elevation, hypertensive urgency as a historical term, and hypertensive emergency.
Explain how vascular stress, endothelial injury, autoregulation failure and neurohormonal activation produce acute organ damage.
Measure and confirm blood pressure safely, identify measurement artefacts and obtain a focused history.
Recognise neurological, cardiac, pulmonary, renal, aortic, retinal and pregnancy-related red flags.
Perform a structured ABCDE assessment and decide when the patient needs resuscitation, high-dependency or intensive-care monitoring.
Choose investigations that answer two questions: is acute target-organ damage present, and what is causing the pressure rise?
Describe cautious blood-pressure reduction targets and why treatment must be titrated rather than abruptly normalised.
Compare common IV antihypertensive medicines, their indications, contraindications, monitoring needs and adverse effects.
Outline condition-specific care for aortic dissection, acute coronary syndrome, pulmonary oedema, stroke, intracranial haemorrhage, kidney injury, pregnancy and sympathomimetic toxicity.
Plan nursing surveillance, documentation, patient education, discharge planning and prevention of recurrence.

1. Definitions and essential distinctions

Hypertension is persistently elevated arterial blood pressure confirmed by appropriate repeated measurements or out-of-office monitoring. Thresholds differ slightly between guidelines and populations; apply the current Uganda and facility protocol rather than diagnosing from one hurried triage reading.

Term	Meaning	Emergency implication
Elevated blood pressure	A reading above the person’s usual or guideline range, sometimes caused by pain, anxiety, exertion, a full bladder, stimulants or poor technique.	Repeat correctly and search for symptoms and acute organ injury before giving emergency medicine.
Severe asymptomatic elevation	Markedly elevated BP without evidence of acute target-organ damage. Older texts often call this hypertensive urgency.	Usually needs confirmation, treatment of reversible contributors, oral long-term planning and timely follow-up—not reflex IV medication or rapid normalisation.
Hypertensive emergency	Severe BP elevation with acute or worsening damage to a vital organ, such as encephalopathy, intracranial haemorrhage, acute pulmonary oedema, myocardial ischaemia, aortic dissection, acute kidney injury or eclampsia.	Monitored resuscitation and carefully titratable parenteral therapy, with the reduction rate adapted to the organ involved.
Malignant or accelerated hypertension	Severe hypertension with rapidly progressive small-vessel injury, classically retinal haemorrhages, cotton-wool spots or papilloedema, often with kidney or brain involvement.	Medical emergency; document visual symptoms and obtain urgent senior review.
White-coat or masked hypertension	BP is high in the clinic but not outside, or normal in clinic but high at home/work.	Relevant to diagnosis and prevention, but does not explain acute organ injury; use validated out-of-office monitoring when stable.

Core safety rule: Treat the patient and the injured organ, not a single number. A patient with 220/120 mmHg and no acute organ injury is managed differently from a patient with 170/100 mmHg and aortic dissection, intracranial bleeding or pulmonary oedema.

2. Why a pressure rise becomes dangerous

2.1 Normal autoregulation

The brain, kidneys and heart normally maintain relatively stable blood flow across a range of mean arterial pressures by changing arteriolar tone.
People with long-standing hypertension adapt to higher pressures; their autoregulatory range shifts upward.
A sudden fall to a “normal” pressure can therefore cause cerebral, coronary or renal hypoperfusion in a chronically hypertensive patient.
A sudden rise above the upper autoregulatory limit overwhelms vasoconstriction, damages endothelium and increases capillary leakage.

2.2 Pathophysiological sequence

Sympathetic activation, renin–angiotensin–aldosterone activation, catecholamines, fluid retention or a rapid withdrawal of antihypertensive treatment raise vascular tone or circulating volume.
High shear stress disrupts vascular endothelium and exposes pro-inflammatory, pro-thrombotic surfaces.
Arteriolar fibrinoid necrosis, vasoconstriction and microvascular thrombosis reduce tissue perfusion.
Blood–brain barrier disruption produces headache, confusion, seizures, visual disturbance or posterior reversible encephalopathy syndrome.
Increased left-ventricular afterload and myocardial oxygen demand cause ischaemia, acute left-ventricular failure, pulmonary oedema or dysrhythmia.
High aortic wall stress may extend an aortic dissection; the associated pain and catecholamine surge can further raise BP.
Renal arteriolar injury reduces filtration, activates more renin and produces a self-amplifying cycle of hypertension, haematuria, proteinuria and acute kidney injury.

3. Causes, risk factors and precipitating situations

3.1 Common causes

Previously diagnosed hypertension that is untreated, undertreated, poorly monitored or complicated by missed doses.
Inability to obtain medicines because of cost, stock-outs, transport problems, displacement, stigma or misunderstanding of an asymptomatic disease.
Incorrect dose, drug interaction, vomiting, malabsorption or abrupt withdrawal of clonidine, beta-blocker or other prescribed treatment.
Kidney disease, glomerulonephritis, renovascular disease, dialysis-related fluid overload or acute urinary obstruction.
Endocrine causes: phaeochromocytoma, primary aldosteronism, Cushing syndrome, thyroid storm, hyperparathyroidism or adrenal disease.
Pregnancy-related hypertension: chronic hypertension, gestational hypertension, pre-eclampsia, severe pre-eclampsia and eclampsia.
Obstructive sleep apnoea, severe pain, urinary retention, hypoxia, hypercapnia, withdrawal states and untreated anxiety.

3.2 Drugs and toxins

Exposure	Examples and mechanism	Clues or action
Sympathomimetics	Cocaine, amphetamines, methamphetamine, some decongestants and energy products.	Agitation, sweating, tachycardia, chest pain, hyperthermia; calm environment, benzodiazepine-based specialist treatment and careful BP control.
Medicines that raise BP	NSAIDs, corticosteroids, combined hormonal medicines, erythropoietin, calcineurin inhibitors, some antidepressants and herbal stimulants.	Ask specifically and reconcile all prescribed, over-the-counter and traditional medicines.
Withdrawal	Clonidine, beta-blocker, alcohol, opioids or sedatives.	Autonomic symptoms, tremor, agitation or rebound tachycardia; treat the withdrawal and seek expert advice.
Other toxins	Licorice products, monoamine-oxidase interactions, nicotine excess and selected pesticides or toxic exposures.	Use a poison-control pathway and do not give an unconsidered oral medicine.

3.3 A practical trigger framework: PRESSURE

PRESSURE
P – Pregnancy or postpartum disease · R – Renal disease or fluid overload · E – Endocrine cause or eclampsia · S – Sympathomimetic drugs, sleep apnoea or sepsis · S – Stroke, seizure or intracranial process · U – Uncontrolled chronic hypertension or missed tablets · R – Rupture/dissection or acute cardiac event · E – Errors in measurement, pain, exposure or withdrawal.

4. Target-organ damage: what to look for

Organ/system	Acute injury patterns	Questions and bedside clues
Brain	Hypertensive encephalopathy, intracranial haemorrhage, ischaemic stroke, posterior reversible encephalopathy, seizure or cerebral oedema.	New severe headache, confusion, reduced consciousness, seizure, vomiting, focal weakness, speech change, ataxia or visual symptoms.
Heart and coronary circulation	Acute coronary syndrome, myocardial injury, left-ventricular failure, pulmonary oedema, dysrhythmia or stress cardiomyopathy.	Chest pressure, dyspnoea, orthopnoea, diaphoresis, syncope, crackles, new murmur, raised JVP, hypoxia or ECG changes.
Aorta	Acute aortic syndrome, dissection, intramural haematoma or rupture.	Sudden tearing chest/back pain, pulse or BP difference, new aortic regurgitation murmur, neurological deficit, limb ischaemia or collapse.
Lungs	Acute cardiogenic pulmonary oedema and respiratory failure.	Severe breathlessness, inability to lie flat, pink frothy sputum, widespread crackles, low SpO₂, fatigue or inability to speak.
Kidneys	Acute kidney injury, haematuria, proteinuria, thrombotic microangiopathy or rapidly falling urine output.	Oliguria, dark/foamy urine, oedema, flank symptoms, nausea, confusion, rising creatinine or electrolyte disturbance.
Eyes	Retinal haemorrhages, cotton-wool spots, exudates, papilloedema or acute visual loss.	Ask about blurred vision, scotomata, diplopia and blindness; arrange fundoscopic/ophthalmic assessment.
Pregnancy	Placental dysfunction, fetal compromise, pre-eclampsia, eclampsia, HELLP syndrome and pulmonary oedema.	Pregnancy/postpartum status, severe headache, visual symptoms, epigastric/RUQ pain, clonus, seizures, oedema or reduced fetal movement.

5. Clinical presentation and red flags

5.1 Symptoms

Headache, especially abrupt, severe, new or associated with vomiting, confusion, focal deficit or visual symptoms.
Chest pain, back pain, tearing pain, palpitations, exertional dyspnoea, orthopnoea or syncope.
Breathlessness at rest, cough with frothy sputum, wheeze, cyanosis or inability to speak full sentences.
Seizure, weakness, facial asymmetry, aphasia, dysarthria, ataxia, altered behaviour or reduced consciousness.
Oliguria, haematuria, frothy urine, nausea, swelling or sudden weight gain.
Visual loss, flashing lights, blurred vision or diplopia.
In pregnancy: severe headache, flashing lights, epigastric pain, vomiting, confusion, seizure or reduced fetal movement.

5.2 Immediate red flags

Activate emergency/resuscitation support immediately: suspected stroke or intracranial bleed; seizure or reduced consciousness; sudden chest/back pain suggesting dissection; acute pulmonary oedema or severe hypoxaemia; ACS with dynamic ECG changes; shock, new focal deficit, unequal pulses, anuria, rapidly deteriorating renal function, papilloedema, severe pregnancy-related hypertension, eclampsia or a rapidly changing patient.

6. Accurate blood-pressure assessment

A diagnosis and a dangerous treatment decision can both be wrong if the measurement is wrong. Take time to repeat a high value unless the patient has an immediately life-threatening syndrome that requires simultaneous action.

Step	Correct technique	Common error and consequence
Prepare	Let the patient rest quietly for about five minutes when clinically possible; explain the procedure and reduce talking.	Measuring during pain, exertion, panic or a procedure can overestimate pressure.
Position	Back supported, feet flat, legs uncrossed, arm supported at heart level, sleeve removed rather than rolled tightly.	Unsupported arm or crossed legs may raise the reading.
Cuff	Use the correct bladder width and length for the arm; use a validated device and check batteries/zero where relevant.	A cuff that is too small produces a false high; a cuff too large can produce a false low.
Repeat	Take at least two readings one minute apart; compare both arms initially when possible and document position, arm, cuff and device.	Acting on one outlier can expose a patient to unnecessary IV medicine.
Pulse and context	Record heart rate and rhythm, pain score, oxygenation, temperature, medications, pregnancy status and symptoms.	BP without clinical context cannot determine emergency status.
Orthostatic assessment	When safe and relevant, compare lying/sitting with standing measurements in suspected autonomic dysfunction or over-treatment.	Do not stand an unstable, dizzy, shocked or neurologically compromised patient.

7. Focused history

History domain	Ask specifically	Why it changes management
Onset and trend	When was the high reading first noticed? Sudden or gradual? What was the person’s usual BP?	A rapid rise, rapid fall or long-standing baseline changes the autoregulatory risk.
Neurological symptoms	Headache, confusion, seizure, weakness, speech change, gait difficulty, visual loss, vomiting or collapse?	Determines stroke, encephalopathy or intracranial haemorrhage pathway.
Cardiorespiratory symptoms	Chest/back pain, dyspnoea, orthopnoea, palpitations, syncope, diaphoresis or frothy sputum?	Searches for ACS, dissection, pulmonary oedema and dysrhythmia.
Renal symptoms	Urine volume and colour, foamy urine, swelling, flank pain, dialysis or recent dehydration?	Identifies AKI, glomerular disease and fluid strategy.
Pregnancy	Could the patient be pregnant or recently postpartum? Headache, visual symptoms, RUQ/epigastric pain, fetal movement or seizure?	Changes drug choice, BP target, magnesium use and obstetric escalation.
Medicines	Names, doses, last doses, missed doses, new medicines, NSAIDs, steroids, contraceptives, decongestants, herbal products and allergies?	Finds withdrawal, interactions, toxicity and adherence barriers.
Substances	Cocaine, amphetamines, alcohol withdrawal, nicotine, energy drinks or recreational drugs?	Sympathomimetic toxicity needs a different first-line strategy.
Past history	Hypertension, stroke/TIA, kidney disease, diabetes, heart failure, aortic disease, sleep apnoea, endocrine disease and prior hypertensive emergency?	Defines risk, baseline organ function and target reduction tolerance.

8. ABCDE assessment and first response

Safety and help: move to a monitored area, call senior emergency/medical, stroke, cardiology, renal or obstetric help according to the presentation, and prepare oxygen, suction, defibrillator and IV access.
Airway: assess voice, obstruction, vomit, secretions and protective reflexes. Reduced consciousness, seizure or intracranial injury may require airway protection.
Breathing: count respiratory rate, inspect effort, check SpO₂, auscultate, look for frothy sputum and assess for pulmonary oedema, asthma, pneumonia or pneumothorax.
Circulation: repeat BP in both arms if dissection is possible, check pulse/rhythm, capillary refill, skin, JVP, oedema and temperature; obtain IV access and draw bloods without delaying resuscitation.
Disability: assess AVPU/GCS, pupils, glucose, seizure activity, focal neurology, speech, visual fields and severe headache. Record a baseline neurological examination.
Exposure: look for trauma, rash, medication patches, needle marks, pregnancy evidence, oedema, unequal pulses, limb ischaemia and retinal findings while maintaining privacy and warmth.
Reassess: document response to every intervention, repeat BP at an interval suited to severity and use trends rather than a single “improved” reading.

First-aid principle: Keep the patient calm, seated or positioned for the presenting syndrome, do not encourage exertion, do not give someone else’s antihypertensive tablet, do not force oral intake in a neurologically impaired patient, and arrange urgent transfer when red flags are present.

9. Investigations

Investigation	What it answers	Important interpretation/safety point
Repeat BP, both arms and monitored trend	Confirms severe elevation, identifies a pressure difference and tracks therapy.	Do not delay treatment for a perfect baseline if the patient is collapsing.
12-lead ECG and continuous rhythm	ACS, LVH, ischaemia, dysrhythmia, heart block or strain.	Repeat when symptoms change; compare previous ECGs.
FBC and blood film	Anaemia, infection, thrombocytopenia and microangiopathic haemolysis.	Schistocytes, falling platelets and haemolysis suggest severe vascular injury or HELLP/TMA.
Urea, creatinine, eGFR, electrolytes	AKI, chronic kidney disease, potassium and sodium abnormalities.	Trend results; renal dysfunction affects medicine choice and contrast decisions.
Urinalysis and urine protein	Blood, protein, casts or infection; renal and pregnancy-related injury.	Send protein quantification where pre-eclampsia or renal disease is suspected.
Troponin	Myocardial injury or ACS.	Use serial values with ECG and symptoms; chronic kidney disease can elevate troponin.
Chest radiograph and lung ultrasound	Pulmonary oedema, cardiomegaly, pneumonia, pleural disease or alternative causes of dyspnoea.	Do not transport a crashing patient for imaging before stabilisation.
CT brain	Intracranial haemorrhage, mass effect or other acute neurological cause.	Check airway, glucose and circulation; follow stroke/bleed pathway.
CT angiography	Aortic dissection, pulmonary embolism or selected vascular emergencies.	Assess renal function and contrast risk, but do not delay life-saving specialist decisions.
Bedside echocardiography	LV/RV function, pulmonary pressure clues, tamponade, valve catastrophe and volume assessment.	Particularly valuable in shock, chest pain or unexplained pulmonary oedema.
Fundoscopy/ophthalmology	Retinal haemorrhage, exudates, papilloedema and visual injury.	Visual symptoms or papilloedema support emergency classification.
Pregnancy tests, obstetric assessment and fetal monitoring	Pregnancy status, pre-eclampsia, HELLP and fetal wellbeing.	Involve obstetrics early; maternal stabilisation remains the priority.
Toxicology and endocrine tests	Sympathomimetic exposure, phaeochromocytoma or thyroid storm when clinically suggested.	Do not delay initial stabilisation while waiting for specialised assays.

10. Differential diagnoses and mimics

Pain, panic, delirium, urinary retention, hypoxia, hypercapnia, sepsis or withdrawal causing transient sympathetic BP elevation.
Stroke, intracranial haemorrhage, subarachnoid haemorrhage, meningitis, encephalitis, seizure or head injury.
Acute coronary syndrome, myocarditis, pericarditis, pulmonary embolism, pulmonary oedema, asthma/COPD exacerbation or pneumothorax.
Aortic dissection, aortic regurgitation, cardiac tamponade or ruptured aneurysm.
Acute kidney injury, glomerulonephritis, renal artery stenosis, dialysis-related volume overload or urinary obstruction.
Preeclampsia/eclampsia, HELLP syndrome and other pregnancy-related emergencies.
Medication error, cuff error, white-coat hypertension or an isolated high reading with no injury.

11. Treatment goals and reduction strategy

Targets are syndrome-specific and must follow the current local or national protocol. The general approach in a typical hypertensive emergency is controlled reduction rather than abrupt normalisation.

Situation	General treatment principle	Why caution is needed
Most non-pregnant emergencies	Use a titratable IV medicine in a monitored setting; many protocols aim for no more than about 20–25% reduction in MAP during the first hour, then gradual reduction over the next day.	Over-correction can cause cerebral, coronary or renal ischaemia, especially in chronic hypertension.
Aortic dissection	Reduce shear stress urgently: control heart rate first with a beta-blocker, then add a vasodilator if needed under specialist care; use an organ-perfusion-aware SBP target.	Vasodilator before rate control may cause reflex tachycardia and increase aortic shear.
Intracranial haemorrhage or stroke	Use the stroke/neurosurgical pathway and a carefully chosen target based on bleed type, thrombolysis eligibility, ICP and perfusion.	Both high pressure and excessive lowering can worsen neurological injury.
Acute pulmonary oedema/ACS	Support oxygenation, use appropriate vasodilator/diuretic/ACS treatment and treat the trigger while monitoring perfusion.	Hypotension, RV infarction and preload dependence make nitrates unsafe in selected patients.
Pregnancy/eclampsia	Promptly treat severe BP, prevent and treat seizures with magnesium according to obstetric protocol, assess mother and fetus, and coordinate delivery planning.	Drug choice and timing must protect maternal and fetal circulation.

12. Intravenous antihypertensive medicines

Selection depends on the injured organ, pulse, cardiac function, renal function, pregnancy, availability and clinician expertise. Doses below are educational examples, not a substitute for the hospital formulary or a prescriber’s order.

Medicine/class	Useful situations	Major cautions and nursing monitoring
Nicardipine IV	Titratable arterial vasodilation for many neurological or general hypertensive emergencies.	Monitor BP, tachycardia, flushing, headache and infusion site; caution in acute heart failure or severe aortic stenosis.
Labetalol IV	Combined alpha/beta blockade; commonly considered in neurological emergencies, pregnancy and selected general cases.	Check pulse, bronchospasm, heart block, acute decompensated HF and hypoglycaemia masking; avoid in severe bradycardia or cardiogenic shock.
Esmolol IV	Very short-acting beta-blocker, especially when rapid heart-rate control is needed in aortic syndromes.	Continuous ECG/BP; watch bradycardia, AV block, bronchospasm and low output.
Nitroglycerin IV	Hypertensive ACS or acute pulmonary oedema with adequate BP; reduces preload and myocardial ischaemic burden.	Headache, hypotension, RV infarction, severe aortic stenosis and recent PDE-5 inhibitor use are important cautions.
Sodium nitroprusside IV	Potent, rapidly titratable vasodilator in selected specialist/critical-care situations.	Needs close monitoring; prolonged/high exposure risks cyanide/thiocyanate toxicity, and it may worsen intracranial pressure or cause coronary steal.
Hydralazine IV	Selected pregnancy-related severe hypertension where protocol recommends it, or specialist-directed alternatives.	Unpredictable response, reflex tachycardia, headache and hypotension; frequent BP and fetal/maternal monitoring.
Enalaprilat IV	Selected specialist cases when renin-mediated physiology is suspected and other options are unsuitable.	Avoid in pregnancy, bilateral renal artery stenosis, hyperkalaemia and significant AKI; onset is less easily titrated.
Phentolamine IV	Catecholamine excess such as phaeochromocytoma or selected sympathomimetic crises under expert care.	Use after appropriate sedation and specialist review; watch tachycardia and hypotension.
Magnesium sulfate	Seizure prevention/treatment in eclampsia and severe pre-eclampsia according to obstetric protocol; it is not a routine antihypertensive.	Monitor respiratory rate, reflexes, urine output and serum levels when indicated; calcium must be available for toxicity.

Medicine safety: Use a pump, label every infusion, record concentration and titration time, recheck BP after each change, confirm IV patency, and document why a medicine was selected or withheld. Never stack short-acting agents without a clear plan.

13. Condition-specific emergency management

13.1 Acute aortic dissection

Call vascular/cardiothoracic and critical-care teams; keep the patient at rest, provide analgesia as prescribed and monitor both arms.
Obtain ECG, urgent imaging and bedside echocardiography when available, while assessing pulses, neurological status, renal perfusion and limb ischaemia.
Reduce shear by controlling heart rate first with a short-acting beta-blocker under continuous monitoring, then add a vasodilator if pressure remains high.
Avoid isolated vasodilator treatment that provokes reflex tachycardia. Prepare for urgent surgical or endovascular management.

13.2 Acute coronary syndrome and pulmonary oedema

Perform ABCDE, upright positioning if perfusion allows, continuous ECG, repeat BP and urgent 12-lead ECG/troponin.
Titrate oxygen only for hypoxaemia or respiratory distress; prepare CPAP/NIV for cardiogenic pulmonary oedema when airway protection and BP are adequate.
Use prescribed nitrates when hypertensive and not contraindicated; assess for RV infarction, severe aortic stenosis, hypotension and PDE-5 exposure.
Give ACS antiplatelet, anticoagulant and reperfusion treatment only through the approved protocol, and escalate shock or refractory hypoxia.

13.3 Acute neurological emergency

Record last-known-well time, glucose, GCS, pupils, focal findings, seizure activity and anticoagulant use; activate the stroke/bleed pathway.
Keep the patient nil by mouth until swallow safety is assessed, protect the airway, treat fever/hypoglycaemia and arrange urgent brain imaging.
Use an IV agent and target appropriate to haemorrhage, ischaemic stroke, thrombolysis eligibility and specialist advice; do not use a one-number rule.
Watch for deteriorating consciousness, vomiting, worsening headache, unequal pupils, new weakness or seizure and prepare for neurocritical-care escalation.

13.4 Pre-eclampsia and eclampsia

Call obstetric, anaesthetic and neonatal teams; place the patient in a safe lateral position during seizure, protect from injury and do not restrain or place objects in the mouth.
Assess airway, breathing, BP, urine output, reflexes, clonus, headache, vision, epigastric/RUQ pain, fetal movement and signs of pulmonary oedema.
Give magnesium sulfate for seizure prevention/treatment and an approved antihypertensive such as labetalol, hydralazine or nifedipine according to the local obstetric protocol.
Monitor respiratory rate, oxygenation, tendon reflexes, urine output, fluid balance, magnesium toxicity and fetal wellbeing; prepare calcium gluconate when magnesium is used.
Delivery planning follows maternal stabilisation and obstetric assessment; severe hypertension is treated even while definitive planning is underway.

13.5 Sympathomimetic or phaeochromocytoma crisis

Reduce noise and stimulation, manage hyperthermia, check glucose and obtain ECG; use calm communication and a safe environment.
Call toxicology/critical-care help. Benzodiazepine-based sedation is often used to reduce central sympathetic drive when prescribed.
Do not give a pure beta-blocker before alpha control in suspected phaeochromocytoma; specialist-directed phentolamine or another agent may be required.
Look for ACS, dysrhythmia, stroke, rhabdomyolysis, metabolic acidosis and hyperthermia.

13.6 Acute kidney injury and fluid overload

Measure urine output accurately, review nephrotoxins and recent fluids, check potassium/acid-base status and assess dialysis access.
Use cautious BP lowering and avoid nephrotoxic or renally inappropriate medicines; involve renal specialists early if severe hyperkalaemia, acidosis, pulmonary oedema or uraemic symptoms occur.
Do not assume oedema always means intravascular overload; combine JVP, lung findings, weight, ultrasound, renal trend and response to therapy.

14. Nursing management

14.1 Priority observations

BP frequency, arm/cuff/device, MAP if relevant, pulse/rhythm, respiratory rate, SpO₂, temperature and pain score.
Neurological observations: GCS/AVPU, pupils, limb power, speech, headache, seizure activity, behaviour and visual complaints.
Cardiorespiratory findings: chest pain, work of breathing, crackles, JVP, oedema, urine output, skin temperature and capillary refill.
Fluid balance, hourly urine output in critical illness, daily weight when appropriate, renal trend and electrolyte results.
Infusion concentration, pump rate, IV site, line patency, titration time, response and adverse effects.
Pregnancy-specific maternal observations, reflexes, clonus, fetal monitoring and magnesium toxicity checks.

14.2 Nursing interventions and rationales

Intervention	Rationale and practical action
Establish a monitored environment	Allows rapid detection of hypotension, dysrhythmia, hypoxia or neurological decline; keep emergency equipment available.
Use accurate, repeated BP technique	Prevents over-treatment from artefact and identifies response to titration; document arm, cuff, position and symptoms.
Maintain neurological checks	Detects stroke, encephalopathy, bleeding or treatment-related hypoperfusion early; escalate a change immediately.
Administer IV medicine safely	Check the prescription, concentration, allergies, pulse, BP, renal function, pregnancy status, IV patency and pump settings; use an independent double-check where required.
Protect airway and oxygenation	Position for the syndrome, suction when indicated, titrate oxygen to target and reassess after each change; prepare NIV or intubation support.
Manage fluids carefully	Record input/output and avoid routine boluses in pulmonary oedema or renal failure; discuss any deterioration in urine output or respiratory status.
Communicate with SBAR	State the BP trend, symptoms, organ findings, treatment, response and exact request; this reduces delay in specialist review.
Support patient and family	Explain why gradual treatment is safer, reduce fear, use an interpreter where needed and involve family in medicine and follow-up teaching with consent.

15. Complications of treatment and disease

Complication	Warning signs	Priority response
Cerebral hypoperfusion	Dizziness, confusion, syncope, new weakness, reduced GCS or seizure after pressure reduction.	Stop/adjust titration as prescribed, repeat ABCDE and call senior/critical-care help.
Myocardial ischaemia	Chest pain, dynamic ST/T changes, dysrhythmia, diaphoresis or rising troponin.	ACS pathway, ECG monitoring and urgent cardiology review.
Acute kidney injury	Oliguria, rising creatinine, hyperkalaemia, acidosis or fluid overload.	Review perfusion, medicine, contrast and renal plan; escalate early.
Pulmonary oedema	Increasing work of breathing, crackles, falling SpO₂, frothy sputum or fatigue.	Upright position, oxygen/NIV when appropriate, urgent review and treat cardiac trigger.
Arrhythmia	Bradycardia, tachycardia, palpitations, syncope or broad-complex rhythm.	Continuous ECG, correct electrolytes and follow ALS/cardiology pathway.
Medication toxicity	Severe hypotension, bronchospasm, headache, flushing, metabolic acidosis or altered consciousness.	Stop/hold according to protocol, maintain airway and activate senior support.
Rebound hypertension	Rapid recurrence after short-acting medicine or missed chronic doses.	Review half-life, transition plan, adherence and secondary causes; do not repeatedly chase numbers without a plan.

16. Disposition and handover

Resuscitation/ICU/HDU: ongoing IV titration, shock, pulmonary oedema, invasive monitoring, rapidly changing neurology, aortic syndrome, eclampsia or major organ failure.
Monitored ward: stabilised emergency with ongoing IV-to-oral transition, serial renal/neurological/cardiac assessment or a significant precipitant requiring treatment.
Discharge or observation: repeated high BP without acute organ injury only after symptoms are addressed, measurement is confirmed, a long-term medicine plan is made and reliable follow-up is arranged.
Handover exact BP trend, symptoms, last doses, infusions, investigations, target organ findings, response, allergies, pregnancy status, outstanding tests and escalation plan.

17. Long-term prevention and patient education

Take antihypertensive treatment as prescribed; never double a missed dose without advice and do not stop clonidine or beta-blockers abruptly.
Use a validated home BP monitor correctly, record readings with time and symptoms, and bring the log and medicine containers to review.
Reduce dietary salt, choose minimally processed foods, maintain a healthy weight, exercise safely, stop tobacco and limit alcohol.
Control diabetes, kidney disease, cholesterol and sleep apnoea; attend retinal, renal and cardiovascular monitoring when recommended.
Ask before using NSAIDs, decongestants, steroids, stimulants, herbal remedies or recreational drugs.
Seek urgent care for chest/back pain, weakness or speech change, severe headache with confusion, seizure, breathlessness, new visual loss, very low urine output or pregnancy-related warning symptoms.
Address barriers: medicine supply, transport, cost, literacy, stigma, language, family support and follow-up access.

18. Worked clinical scenarios

Scenario 1: Severe number without organ injury

A 55-year-old has repeated readings around 210/115 mmHg after a stressful journey but feels well. There is no neurological deficit, chest pain, dyspnoea, visual loss or renal symptom; the cuff and technique are corrected and the reading remains high. The team confirms history, examines for target-organ injury, checks appropriate baseline tests, treats reversible contributors, arranges oral therapy and reliable follow-up, and avoids reflex IV medication or rapid normalisation.

Scenario 2: Hypertensive pulmonary oedema

A 68-year-old presents with sudden breathlessness, BP 220/120, crackles and SpO₂ 78%. The nurse calls for help, sits the patient upright, attaches ECG/SpO₂/BP monitoring, gives titrated oxygen, prepares CPAP, obtains an urgent ECG, and administers prescribed nitrate/diuretic therapy while watching BP, work of breathing, urine output and renal function. ACS and arrhythmia are actively sought.

Scenario 3: Aortic dissection

A patient develops abrupt tearing chest-to-back pain, unequal arm pressures and a new neurological deficit. The team avoids repeated ambulation, obtains two IV lines, monitors both-arm pressure and ECG, gives prescribed analgesia, calls vascular/cardiothoracic specialists and prepares short-acting rate control before any additional vasodilator. The aim is to reduce aortic shear while preserving brain, kidney and limb perfusion.

Scenario 4: Eclampsia

A postpartum patient has BP 185/115, severe headache, flashing lights and a generalised seizure. Staff protect her from injury, place her laterally, call obstetric/anaesthetic/neonatal teams, assess airway and glucose, administer magnesium and approved antihypertensive treatment according to protocol, monitor reflexes/respirations/urine output and plan definitive obstetric care after stabilisation.

Scenario 5: Sympathomimetic crisis

A young adult is agitated, diaphoretic, hyperthermic, tachycardic and hypertensive after suspected stimulant use with chest pain. The team reduces stimulation, checks glucose and temperature, establishes monitoring, obtains ECG/troponin, treats agitation with prescribed sedation and calls toxicology. A pure beta-blocker is not given reflexively before the cause and specialist plan are clarified.

RECHECK-BP
R – Repeat the reading correctly · E – Examine for acute organ injury · C – Call the right senior team · H – Hunt the trigger and history · E – ECG, eyes, enzymes, electrolytes and imaging · C – Choose a titratable, monitored treatment · K – Keep reassessing perfusion and neurology · B – Bring BP down gradually unless a syndrome-specific target applies · P – Plan prevention, medicines and follow-up.

19. Examination and revision questions

Define hypertensive emergency and explain why the BP number alone does not make the diagnosis.
Compare severe asymptomatic elevation with acute target-organ damage.
Explain how chronic hypertension shifts autoregulation and why rapid normalisation can be dangerous.
List neurological, cardiac, aortic, renal, retinal and pregnancy-related red flags.
Describe the correct technique for repeating a very high BP.
Outline the ABCDE assessment and the minimum urgent investigations.
Discuss the general first-hour reduction principle and why the target changes in dissection, stroke, pulmonary oedema and pregnancy.
Compare nicardipine, labetalol, esmolol, nitroglycerin, nitroprusside, hydralazine and magnesium sulfate.
Explain why beta-blockade is prioritised before vasodilation in aortic dissection.
Plan nursing care for a patient receiving a titratable IV antihypertensive infusion.
Describe discharge education that reduces recurrence and medicine-related harm.

Key takeaways

Hypertensive emergency means severe pressure elevation plus acute or worsening target-organ injury.
Confirm the BP, but never let measurement perfection delay treatment of a collapsing patient.
Ask about the brain, heart, lungs, aorta, kidneys, eyes and pregnancy at every first assessment.
Most patients require controlled, titratable reduction—not immediate normalisation.
Use the organ-specific pathway: aortic dissection, stroke, ACS/pulmonary oedema, renal crisis, eclampsia and stimulant toxicity are not interchangeable.
IV medicine requires continuous or frequent BP, ECG, neurological, respiratory, renal and infusion-site monitoring.
Good emergency care includes a sustainable oral regimen, access to medicines, follow-up and prevention of recurrence.

Suggested references

American Heart Association. Management of Elevated Blood Pressure in the Acute Care Setting: scientific statement and key points.
European Society of Cardiology. 2024 Guidelines for the Management of Elevated Blood Pressure and Hypertension.
World Health Organization. Guideline for the pharmacological treatment of hypertension in adults.
ACC/AHA hypertension guideline: evaluation and management of high blood pressure.
Use the current Uganda Ministry of Health, emergency-department, obstetric, stroke, renal and critical-care protocols for medicine choice, targets, referral and availability.

Hypertensive Emergency: Crisis Assessment, Target-Organ Damage, Treatment and Nursing Care Read More »

Heart Failure: Acute Decompensation, Pulmonary Oedema, Cardiogenic Shock and Emergency Nursing Care

HEART FAILURE: ACUTE DECOMPENSATION, PULMONARY OEDEMA, CARDIOGENIC SHOCK AND EMERGENCY NURSING CARE

Heart failure with pulmonary congestion and reduced cardiac output illustration

Add a suitable educational image showing the failing heart, pulmonary congestion and systemic perfusion here.

Why this topic matters: Heart failure is a clinical syndrome in which the heart cannot provide adequate output for the body’s needs, or can do so only at abnormally high filling pressures. Acute decompensation can deteriorate within minutes into pulmonary oedema, respiratory failure or cardiogenic shock. Emergency-care students must recognise congestion and hypoperfusion early, identify a reversible trigger, perform a structured ABCDE assessment, support oxygenation, use diuretics and vasodilators safely, avoid harmful routine fluid loading, and coordinate critical-care or cardiology escalation.

Learning objectives

Define heart failure and distinguish chronic, acute, acute-on-chronic, left-sided, right-sided, biventricular, systolic and diastolic failure.
Explain how reduced contractility, impaired relaxation, pressure/volume overload and neurohormonal activation produce congestion and low output.
Recognise typical, atypical and life-threatening presentations, including acute pulmonary oedema and cardiogenic shock.
Identify common precipitants using the CHAMPIT framework and obtain a focused OPQRST-SAMPLE history.
Perform an ABCDE assessment, classify the patient as warm/wet, cold/wet, warm/dry or cold/dry, and communicate deterioration using SBAR.
Describe the role and limitations of ECG, chest radiograph, natriuretic peptides, echocardiography, lung ultrasound, renal tests, troponin and blood gases.
Outline pre-hospital, emergency-department, ward, high-dependency and critical-care management for acute decompensated heart failure.
Explain safe use and monitoring of loop diuretics, nitrates, ACE inhibitors/ARBs/ARNI, beta-blockers, mineralocorticoid receptor antagonists, SGLT2 inhibitors, inotropes and vasopressors.
Plan nursing observations, fluid balance, oxygen/NIV care, pressure-area care, medicine safety, patient education, discharge preparation and prevention of readmission.

1. Definition and core concepts

Heart failure (HF) is a complex clinical syndrome caused by a structural or functional cardiac abnormality that results in symptoms and signs from raised intracardiac pressures, inadequate cardiac output, or both. It is not simply “a weak heart”; a patient may have a normal ejection fraction but severe filling-pressure elevation and congestion.

Term	Meaning	Emergency relevance
Heart failure with reduced ejection fraction (HFrEF)	Predominantly impaired left-ventricular systolic contraction; commonly EF ≤40%.	Often responds to guideline-directed disease-modifying therapy, but acute decompensation may require IV diuresis and ventilatory support.
Heart failure with mildly reduced EF (HFmrEF)	Intermediate systolic function, usually EF 41–49%, with clinical evidence of HF.	Symptoms and congestion can be severe despite a moderately reduced EF.
Heart failure with preserved EF (HFpEF)	Preserved EF with impaired relaxation, increased stiffness and raised filling pressures.	Often presents with hypertension, atrial fibrillation, obesity, renal disease or pulmonary oedema; EF alone must not reassure the team.
Left-sided failure	Left-ventricular or left-atrial dysfunction causing pulmonary venous congestion and reduced systemic output.	Crackles, hypoxaemia, orthopnoea and acute pulmonary oedema may develop rapidly.
Right-sided failure	Right-ventricular dysfunction or pulmonary hypertension causing systemic venous congestion.	Raised JVP, hepatomegaly, oedema, ascites and renal congestion; excessive fluids may worsen RV failure.
Acute decompensated HF (ADHF)	New or worsening HF symptoms and signs requiring urgent assessment or hospital treatment.	Look for hypoxaemia, shock, a trigger and end-organ injury immediately.
Cardiogenic shock	Primary cardiac pump failure causing inadequate tissue perfusion, usually with persistent hypotension or vasopressor need.	A resuscitation emergency requiring critical-care, cardiology and often revascularisation/mechanical support review.

Safety principle: Ejection fraction is not a severity score. A patient with HFpEF can have life-threatening pulmonary oedema, while a patient with HFrEF may be chronically stable. Treat the clinical syndrome—congestion, perfusion, oxygenation and trigger—not a single number.

2. Causes and risk factors

2.1 Common underlying diseases

Ischaemic heart disease and previous myocardial infarction causing scar, remodelling or recurrent ischaemia.
Long-standing hypertension producing left-ventricular hypertrophy, stiffness and eventual systolic failure.
Cardiomyopathies: dilated, hypertrophic, restrictive, arrhythmogenic, peripartum, inflammatory or toxic.
Valvular disease, especially aortic stenosis, aortic regurgitation and mitral regurgitation or stenosis.
Persistent tachyarrhythmia or bradyarrhythmia, including atrial fibrillation with rapid ventricular response.
Congenital heart disease, pulmonary hypertension and chronic lung disease causing right-heart failure.
Myocarditis, endocarditis, rheumatic valve disease and untreated infectious or inflammatory disease.
Diabetes, obesity, chronic kidney disease, anaemia, thyroid disease and sleep-disordered breathing.

2.2 Precipitants of acute decompensation: CHAMPIT

Trigger	Examples	What the emergency team should do
C – Coronary syndrome	Acute MI, unstable angina, stent thrombosis or ongoing ischaemia.	Obtain an urgent ECG and troponin, treat ACS according to protocol and involve cardiology early.
H – Hypertensive emergency	Severe afterload elevation, acute pulmonary oedema, aortic disease or renal crisis.	Repeat accurate BP, assess end-organ injury and use carefully titrated vasodilator therapy when prescribed.
A – Arrhythmia	AF with rapid rate, VT, severe bradycardia or heart block.	Continuous ECG, correct electrolytes and use synchronised cardioversion/pacing or rate/rhythm control when indicated.
M – Mechanical/valve problem	Acute mitral regurgitation, ventricular septal rupture, tamponade or prosthetic valve dysfunction.	Urgent echocardiography and specialist surgical/interventional review.
P – Pulmonary embolism	Acute RV strain, hypoxaemia or obstructive shock.	Assess VTE probability, obtain imaging if stable, and escalate reperfusion treatment if high-risk.
I – Infection/inflammation	Pneumonia, sepsis, myocarditis or endocarditis.	Take cultures when appropriate, start prescribed antimicrobials promptly and reassess fluid strategy carefully.
T – Tampering/non-adherence/toxins	Missed medicines, excess salt/fluids, NSAIDs, alcohol, cocaine/amphetamines or cardiotoxic medicines.	Ask without judgement, check the medicine list and address reversible exposure.

2.3 Patient-level risk factors

Previous HF admission, recent weight gain, reduced exercise tolerance or worsening orthopnoea.
High salt intake, excessive fluid intake, poor access to medicines or inability to attend follow-up.
Renal impairment, low haemoglobin, diabetes, thyroid disease or uncontrolled blood pressure.
Pregnancy or the postpartum period, especially with hypertension or cardiomyopathy.
Recent surgery, anaesthesia, blood transfusion, intravenous fluids, infection or immobilisation.
Use of NSAIDs, corticosteroids, thiazolidinediones, some antiarrhythmics, negative inotropes or unregulated herbal medicines.

3. Pathophysiology

A myocardial, valve, pressure or rhythm abnormality reduces effective forward flow or increases filling pressure.
Reduced renal perfusion activates the sympathetic nervous system, renin–angiotensin–aldosterone system and vasopressin release.
Tachycardia and vasoconstriction initially preserve blood pressure but increase myocardial oxygen demand and afterload.
Sodium and water retention expand intravascular volume; increased preload raises pulmonary and systemic venous pressures.
Interstitial and alveolar lung fluid impairs diffusion and compliance, causing breathlessness, hypoxaemia and respiratory fatigue.
Chronic neurohormonal activation causes hypertrophy, fibrosis, ventricular dilatation and adverse remodelling.
When compensation fails, cardiac output falls. Hypoperfusion causes cool skin, confusion, oliguria, lactic acidosis, renal injury and liver dysfunction.
Right-ventricular failure reduces pulmonary blood flow and left-ventricular filling; excessive positive pressure or fluid loading may worsen output.

Clinical reasoning: Congestion and hypoperfusion can occur together. A patient with cold, wet HF needs urgent critical-care review; repeated fluid boluses may worsen pulmonary oedema, while diuresis alone may be dangerous if profound shock is present.

4. Classification for emergency practice

4.1 Left, right and biventricular failure

Left-sided failure: pulmonary venous congestion, crackles, orthopnoea, pink frothy sputum, hypoxaemia and low systemic output.
Right-sided failure: raised JVP, peripheral oedema, hepatomegaly, ascites, weight gain and congestive kidney dysfunction.
Biventricular failure: combined pulmonary and systemic congestion with low-output features.

4.2 The four bedside haemodynamic profiles

Profile	Bedside clues	General emergency priority
Warm and dry	Good perfusion, no major congestion.	Stable or compensated; investigate cause and optimise long-term care.
Warm and wet	Warm limbs with oedema, JVP elevation, crackles or pulmonary congestion.	Relieve congestion, monitor renal function and treat the precipitant.
Cold and dry	Cool limbs, narrow pulse pressure, fatigue or oliguria without obvious oedema.	Assess preload, shock and alternative causes; urgent senior review before diuresis or vasodilators.
Cold and wet	Poor perfusion plus pulmonary/systemic congestion.	High-risk decompensation; critical-care escalation, haemodynamic support and reversible-cause treatment.

4.3 Functional limitation

NYHA I: no limitation with ordinary activity.
NYHA II: mild limitation; ordinary activity causes symptoms.
NYHA III: marked limitation; less-than-ordinary activity causes symptoms.
NYHA IV: symptoms at rest or inability to undertake activity without discomfort.

5. Clinical presentation

5.1 Symptoms of congestion

Progressive exertional breathlessness, orthopnoea and paroxysmal nocturnal dyspnoea.
Wheeze or cough, sometimes with pink or frothy sputum in pulmonary oedema.
Rapid weight gain, ankle swelling, abdominal distension, early satiety or reduced appetite.
Fatigue, reduced exercise tolerance, inability to lie flat and frequent night-time urination.
Right-upper-quadrant discomfort from hepatic congestion or abdominal fullness from ascites.

5.2 Signs of congestion

Tachypnoea, hypoxaemia, cyanosis, crackles, wheeze or increased work of breathing.
Raised JVP, positive hepatojugular reflux, peripheral pitting oedema and sacral oedema.
Third heart sound, displaced apex, murmurs, irregular rhythm or narrow pulse pressure.
Hepatomegaly, ascites, pleural effusion, cool extremities or delayed capillary refill.
Weight increase, reduced urine output, confusion, restlessness or inability to speak full sentences.

5.3 Red flags

Call for immediate senior/resuscitation help: severe breathlessness at rest; SpO₂ below the local target despite oxygen; inability to speak; exhaustion or silent chest; pink frothy sputum; systolic hypotension; new confusion or collapse; cold, mottled skin; urine output falling markedly; chest pain or dynamic ECG changes; sustained VT/bradycardia; or suspected cardiogenic shock.

6. Focused history: OPQRST-SAMPLE and CHAMPIT

Question	Ask specifically	Why it matters
Onset and time	When did breathlessness, swelling, pain, weight gain or collapse begin? Sudden or gradual?	Separates pulmonary oedema, PE, MI, arrhythmia and chronic progression; time-stamps deterioration.
Provocation/palliation	Exertion, lying flat, night, salt/fluids, missed tablets, inhalers, oxygen, sitting upright?	Identifies orthopnoea, adherence problems and response to interventions.
Quality/region	Pressure, pleuritic pain, wheeze, cough, abdominal fullness, calf pain or palpitations?	Finds ACS, PE, infection, arrhythmia and competing diagnoses.
Severity/course	Number of pillows, walking distance, rapid weight gain, syncope, sleep disruption and change from baseline?	Quantifies functional decline and severity.
Associated symptoms	Fever, sputum, haemoptysis, chest pain, vomiting, diarrhoea, bleeding, dizziness or confusion?	Searches for CHAMPIT triggers and end-organ hypoperfusion.
Past cardiac history	HF type and EF, MI, hypertension, valve disease, cardiomyopathy, AF, devices, prior admissions?	Defines baseline risk and likely treatment response.
Medicine and allergy review	Diuretics, ACEi/ARB/ARNI, beta-blocker, MRA, SGLT2 inhibitor, anticoagulant, NSAID, last doses and allergies?	Prevents duplication, identifies non-adherence and medicine-related deterioration.
Social and practical history	Salt/fluid access, transport, caregiver support, finances, alcohol/stimulants, pregnancy possibility?	Supports safe discharge and identifies preventable readmission factors.

7. Initial ABCDE assessment and triage

Safety and help: place the patient in a monitored area, call emergency/cardiology/critical-care support, bring suction, oxygen, NIV equipment, defibrillator and IV access supplies.
Airway: assess voice, patency, secretions and protective reflexes. Prepare airway support for exhaustion, reduced consciousness or impending arrest.
Breathing: count respiratory rate, inspect effort and ability to speak, check SpO₂, auscultate, look for frothy sputum and use lung ultrasound if available.
Circulation: measure BP in the correct cuff, pulse, rhythm, capillary refill, skin temperature, JVP, oedema and urine output. Establish IV access and draw urgent bloods without delaying treatment.
Disability: assess mental status, glucose, agitation, confusion, syncope and fatigue. Hypoxia and low output may present as altered behaviour.
Exposure: examine for oedema, sacral swelling, rash, infection, calf signs, medication patches, bleeding, pregnancy and signs of trauma while preserving warmth and dignity.
Reassess frequently: document response after each oxygen, NIV, diuretic, vasodilator or vasoactive intervention. Trend rather than rely on one observation.

Positioning: Sit a breathless, normotensive patient upright with legs dependent when appropriate. If hypotensive or shocked, position according to perfusion and airway needs; avoid a rigid one-size-fits-all rule.

8. Investigations and interpretation

Investigation	What it contributes	Nursing and safety points
12-lead ECG and monitoring	Detects MI/ischaemia, AF, tachyarrhythmia, bradycardia, heart block, LVH and dangerous ventricular rhythms.	Obtain urgently, repeat with symptoms, attach monitoring and escalate dynamic changes.
Chest radiograph	Cardiomegaly, pulmonary venous congestion, oedema, pleural effusion, pneumonia or pneumothorax.	A normal film does not exclude early HF; do not delay life-saving stabilisation.
BNP or NT-proBNP	Supports or reduces the likelihood of HF in the appropriate clinical context.	Interpret with age, obesity, renal failure, AF, sepsis and timing; a result is not a substitute for examination.
Echocardiography	EF, chamber size, valve disease, wall motion, RV function, pericardial fluid and filling-pressure clues.	Urgent bedside echo is valuable in shock, suspected valve catastrophe or tamponade.
Lung ultrasound	B-lines, pleural effusion and lung sliding can support pulmonary congestion or alternative diagnosis.	Use with the clinical picture; pneumonia and ARDS can also produce B-lines.
Full blood count	Anaemia, infection and platelet count.	Anaemia can precipitate HF; thrombocytopenia changes anticoagulation/procedure safety.
Urea, creatinine and electrolytes	Renal perfusion, diuretic safety, potassium, sodium and magnesium status.	Report rising creatinine, severe dyskalaemia, hyponatraemia or oliguria promptly.
Troponin	Myocardial injury or ACS; chronic elevation can occur in HF and renal disease.	Use serial values and ECG; do not assume every elevation is type 1 MI.
Blood gas and lactate	Hypoxaemia, hypercapnia, acidosis and tissue hypoperfusion.	Use in severe distress or shock; monitor puncture site and do not delay escalation.
Urinalysis and liver tests	Proteinuria, infection, hepatic congestion or low-flow injury.	Trend changes and include in whole-organ assessment.

8.1 Important differential diagnoses

Acute coronary syndrome or mechanical MI complication.
Pulmonary embolism, pneumonia, asthma/COPD exacerbation or pneumothorax.
Renal failure with fluid overload, severe anaemia, sepsis or thyroid storm.
Pericardial tamponade, acute aortic syndrome or myocarditis.
Drug toxicity, high-output failure, panic or deconditioning.

9. Immediate and pre-hospital management

Call emergency transport for severe breathlessness, syncope, chest pain, hypoxaemia, hypotension or suspected pulmonary oedema.
Stop exertion, reassure and place the patient upright if perfusion allows. Do not let an unstable patient walk.
Assess ABCDE, attach ECG and pulse oximetry, obtain serial BP and glucose, and establish IV access if trained and authorised.
Give titrated oxygen for hypoxaemia or respiratory distress according to local targets; avoid routine high-flow oxygen in a well-saturated patient.
Prepare CPAP/BiPAP for severe pulmonary oedema when the patient is conscious, protecting the airway and able to cooperate; monitor continuously.
Bring the medication chart, last diuretic dose, allergies, kidney history, ECG, observations, onset time and fluid balance to the receiving team.
Do not give repeated unmonitored fluid boluses to a congested patient; if shock is suspected, request senior haemodynamic guidance immediately.

10. Emergency-department management of acute decompensated HF

10.1 General goals

Maintain airway and adequate oxygenation/ventilation.
Relieve pulmonary and systemic congestion without causing renal or electrolyte injury.
Restore adequate perfusion and protect brain, kidneys, liver and myocardium.
Identify and treat CHAMPIT triggers.
Reassess response frequently and decide early whether the patient needs ward, monitored bed, HDU or ICU care.

10.2 Oxygen and non-invasive ventilation

Use the prescribed oxygen device and target saturation appropriate to the patient, including a lower target when chronic hypercapnic respiratory failure is known.
CPAP improves alveolar recruitment and reduces work of breathing in cardiogenic pulmonary oedema; BiPAP may assist when ventilatory failure or fatigue is present.
Check mask fit, pressure injury, vomiting risk, consciousness, BP, gas exchange and synchrony. Stop and escalate if the patient cannot protect the airway or deteriorates.
Prepare for intubation and invasive ventilation when severe hypoxaemia, exhaustion, refractory acidosis, reduced consciousness or inability to tolerate NIV develops.

10.3 Diuretics

IV loop diuretics are first-line for significant fluid overload or pulmonary congestion. Use the clinician-prescribed dose based on prior exposure, renal function and local protocol.
Record time, route, urine output, weight, BP, renal function, sodium, potassium and magnesium. A poor response should prompt assessment of dose, absorption, renal perfusion, ongoing trigger and need for specialist escalation—not repeated blind doses.
Watch for hypotension, dehydration, acute kidney injury, hypokalaemia, hyponatraemia, hypomagnesaemia, gout and ototoxicity with excessive or rapid dosing.
Use a catheter only when clinically justified; measure hourly urine output in shock or critical illness and maintain a strict fluid balance chart.

10.4 Vasodilators

IV nitrates may reduce preload and afterload in hypertensive pulmonary oedema when BP is adequate and no contraindication exists.
Check BP before every titration; avoid or use extreme caution in hypotension, suspected RV infarction, severe aortic stenosis, recent PDE-5 inhibitor use or preload-dependent states.
Document dose, response, headache, dizziness, reflex tachycardia and BP trend. A vasodilator is not a substitute for diuresis or treatment of the precipitant.

10.5 Medicines that require specialist direction

Medicine/support	When considered	Important safety checks
ACE inhibitor/ARB/ARNI	Chronic disease modification and selected stable patients; not usually initiated or up-titrated during profound shock or acute kidney injury.	BP, renal function, potassium, pregnancy, angioedema and medicine interactions.
Beta-blocker	Continue in stable chronic HF unless shock, severe bradycardia, heart block or another contraindication; initiation/up-titration waits until stable.	Pulse, BP, perfusion, bronchospasm, conduction and signs of low output.
Mineralocorticoid receptor antagonist	Long-term HFrEF therapy in selected patients.	Potassium, creatinine, BP, dehydration and endocrine adverse effects.
SGLT2 inhibitor	Guideline-directed therapy in eligible HF phenotypes, including many patients with diabetes or CKD.	Volume status, renal function, genital infection, ketoacidosis risk and perioperative fasting.
Inotropes	Selected low-output shock with organ hypoperfusion under critical-care/cardiology supervision.	Continuous ECG, BP, ectopy, myocardial oxygen demand, lactate, urine output and extravasation.
Vasopressor	Persistent hypotension and shock after appropriate assessment, often norepinephrine in ICU protocols.	Arterial pressure, peripheral perfusion, rhythm, dose pump, central access policy and tissue injury.

Do not use reflexively: Routine morphine, unmonitored fluids, high-flow oxygen in a well-saturated patient, NSAIDs, or rapid withdrawal of all chronic medicines. Each decision must match perfusion, congestion, renal function, BP and the local protocol.

11. Acute cardiogenic pulmonary oedema

Call for help, sit the patient upright, attach ECG/SpO₂/BP monitoring and perform ABCDE.
Give titrated oxygen for hypoxaemia and prepare CPAP/BiPAP if respiratory distress persists and there is no contraindication.
Obtain ECG urgently; look for ACS, hypertensive emergency, valve catastrophe and arrhythmia.
Give prescribed IV loop diuretic and, when BP permits, carefully titrated nitrate therapy.
Check urine output, work of breathing, mental status, BP, renal function and electrolytes after each intervention.
Escalate for intubation when NIV fails, consciousness declines, secretions cannot be managed or gas exchange remains unsafe.
Search for trigger: infarction, AF with rapid response, infection, missed medicines, renal failure, excessive salt/fluids, stimulant use or acute valve disease.

12. Cardiogenic shock

Cardiogenic shock is inadequate tissue perfusion from primary cardiac dysfunction. Typical clues include persistent hypotension, cold clammy skin, narrow pulse pressure, confusion, oliguria, weak pulse, rising lactate, metabolic acidosis and pulmonary congestion. Normotension does not exclude early shock if vasoconstriction is maintaining BP.

Priority	Actions
Recognise and call	Activate resuscitation, cardiology and critical-care teams. Use continuous ECG, frequent BP or arterial monitoring, pulse oximetry and strict urine output.
Find reversible causes	Urgent ECG/troponin, bedside echo, blood gas/lactate, electrolytes, chest imaging and assessment for MI, arrhythmia, tamponade, PE, sepsis or mechanical complication.
Oxygenation/ventilation	Give indicated oxygen and ventilatory support; avoid excessive intrathoracic pressure when it severely reduces venous return.
Fluids	Use only a cautious, reassessed fluid challenge when hypovolaemia or RV preload dependence is plausible. Stop if congestion or respiratory status worsens.
Perfusion support	Critical-care clinicians may use vasopressors and/or inotropes to maintain organ perfusion while treating the cause.
Revascularisation/mechanical support	ACS-related shock needs urgent revascularisation assessment. Selected refractory cases may require mechanical circulatory support where available.
Nursing surveillance	Trend mental status, skin, capillary refill, pulse, BP, lactate, urine output, fluid balance, access sites, arrhythmias and medicine adverse effects.

13. Right-ventricular failure and special patterns

RV failure may follow PE, RV infarction, pulmonary hypertension, severe lung disease or congenital heart disease.
Signs include raised JVP, hepatomegaly, peripheral oedema, hypotension, clear lungs and low output.
Large fluid loads can over-distend the RV and worsen septal shift; treat with specialist-guided preload optimisation and the underlying cause.
Consider pregnancy/peripartum cardiomyopathy, myocarditis, renal failure, sepsis, anaemia and thyroid disease in younger patients.
In pregnancy, involve obstetric, anaesthetic, cardiology and neonatal teams; balance maternal oxygenation and perfusion with fetal safety.

14. Chronic HF medicines and emergency reconciliation

Group	Benefit	Emergency reconciliation and teaching
ARNI/ACE inhibitor/ARB	Reduces afterload, remodelling, admissions and mortality in selected HFrEF.	Check BP, potassium, creatinine, pregnancy and angioedema; never double a missed dose.
Evidence-based beta-blocker	Slows harmful sympathetic activation and improves survival in stable HFrEF.	Check pulse, BP, conduction and perfusion; do not initiate during acute shock.
MRA	Reduces aldosterone-mediated remodelling and admissions in eligible HFrEF.	Monitor potassium/renal function and teach avoidance of unapproved potassium supplements.
SGLT2 inhibitor	Reduces HF admissions and benefits many HFrEF/HFpEF patients, with or without diabetes.	Teach sick-day/perioperative advice according to local protocol; assess dehydration and ketoacidosis symptoms.
Loop diuretic	Relieves congestion and symptoms; dose is adjusted to volume status.	Daily weight, oedema, urine output, renal function and electrolytes; report rapid weight gain or dizziness.
Ivabradine/digoxin/other selected therapies	Specialist options for selected rate, rhythm or symptom problems.	Check pulse, renal function, toxicity signs and interactions; avoid self-adjustment.

15. Nursing management and monitoring

15.1 Priority nursing observations

Airway, respiratory rate, pattern, ability to speak, SpO₂, oxygen device, NIV tolerance and breath sounds.
Pulse, rhythm, BP, capillary refill, skin temperature/colour, JVP, oedema and mental status.
Strict input/output, urine output, daily weight, abdominal girth when relevant and fluid restriction adherence.
Chest pain, orthopnoea, number of pillows, nocturnal symptoms, fatigue and activity tolerance.
Laboratory trends: potassium, sodium, magnesium, urea, creatinine, haemoglobin, troponin and lactate.
IV access, infusion pumps, diuretic response, vasoactive medicine effects and pressure areas from oxygen/NIV masks.

15.2 Interventions and rationales

Intervention	Rationale and practical action
Position and oxygenate safely	Upright positioning and prescribed oxygen/NIV improve ventilation while reducing work of breathing; reassess BP and consciousness.
Maintain accurate fluid balance	Daily weight and input/output reveal congestion or over-diuresis earlier than oedema alone.
Administer medicines safely	Check the five rights plus renal function, BP, pulse, potassium, allergies and indication; document response and adverse effects.
Prevent skin and venous complications	Reposition, protect sacrum/heels, inspect oedematous skin and use prescribed VTE prophylaxis after arterial assessment.
Reduce myocardial workload	Cluster care, allow rest, avoid unnecessary exertion and treat anxiety without causing respiratory depression.
Escalate deterioration	Use SBAR with onset, trends, urine output, oxygen/NIV settings, medicines, ECG and response; do not wait for a routine round.
Support nutrition and function	Coordinate low-salt nutrition, appropriate fluid plan, renal/diabetes advice and physiotherapy; avoid malnutrition and unsafe deconditioning.

16. Complications

Complication	Warning signs	Priority response
Acute pulmonary oedema	Severe dyspnoea, crackles, frothy sputum, hypoxaemia and exhaustion.	Upright position, oxygen/NIV, diuretic/vasodilator orders, urgent senior review and airway preparation.
Cardiogenic shock	Hypotension, cold skin, confusion, oliguria, rising lactate and weak pulse.	Resuscitation/critical-care activation, echo, cause treatment and haemodynamic support.
Life-threatening arrhythmia	Palpitations, syncope, collapse, broad-complex rhythm or severe bradycardia.	Continuous ECG, defibrillator/pacing readiness and ALS protocol.
Acute kidney injury	Falling urine output, rising creatinine, electrolyte disturbance and fluid imbalance.	Review perfusion, medicines, diuretic response and renal/critical-care plan.
Thromboembolism	Sudden dyspnoea, chest pain, focal deficit or cold pulseless limb.	ABCDE, monitored transfer and PE/stroke/vascular pathway.
Hepatic congestion/low-flow injury	Jaundice, RUQ discomfort, rising transaminases, coagulopathy.	Treat haemodynamics and congestion; report trend.
Medicine/electrolyte toxicity	Weakness, cramps, confusion, hypotension, arrhythmia or severe diarrhoea.	Check potassium/magnesium/renal function and review medicines urgently.

17. Discharge, education and prevention

Explain the type of HF, precipitating event, medicines, monitoring plan and what each medicine is intended to do.
Use teach-back: ask the patient to demonstrate weight recording, explain diuretic timing and state when to call for help.
Provide a written safety-net: urgent care for breathlessness at rest, chest pain, fainting, confusion, blue lips, rapidly rising weight, markedly reduced urine or severe palpitations.
Teach daily weight at the same time, symptom diary, prescribed salt/fluid plan and the action threshold agreed with the HF team.
Encourage vaccination, smoking cessation, safe activity/cardiac rehabilitation, diabetes/BP control and avoidance of NSAIDs or unapproved herbal remedies.
Confirm medicine supply, transport, caregiver support, follow-up, renal/electrolyte testing and access to emergency contact numbers before discharge.
Review pregnancy plans, sexual health, work, mental health, health literacy and financial barriers sensitively.

18. Worked clinical scenarios

Scenario 1: Hypertensive pulmonary oedema

A 68-year-old with hypertension suddenly develops severe breathlessness, BP 220/120, crackles and SpO₂ 78%. The nurse calls for help, sits the patient upright, obtains ECG and monitoring, gives titrated oxygen, prepares CPAP and prescribed IV diuretic/nitrate therapy, and reassesses BP, work of breathing and urine output after each intervention. The team actively looks for ACS and arrhythmia rather than treating “fluid overload” alone.

Scenario 2: Cold and wet decompensation

A patient with known HFrEF is drowsy, cool, clammy, hypotensive and oliguric with crackles and raised JVP. The nurse recognises cold/wet HF, calls critical care, repeats ABCDE, obtains lactate and bedside echo, avoids unmonitored fluid boluses, prepares prescribed vasoactive support and communicates trends using SBAR.

Scenario 3: AF precipitant

A patient with oedema and orthopnoea has an irregular pulse of 160/min and fever. ECG confirms AF with rapid ventricular response. The team treats infection, assesses haemodynamic stability, corrects electrolytes, chooses rate/rhythm treatment safely and monitors for worsening pulmonary oedema; a negative inotrope is not given reflexively to an unstable patient.

Scenario 4: Discharge safety

A patient improves after IV diuresis but has limited transport and cannot afford all medicines. Before discharge, the nurse uses teach-back, confirms the next review and laboratory plan, checks the medicine supply, involves a caregiver with consent, explains warning signs, and documents a realistic follow-up plan. Clinical improvement without a safe plan is not complete care.

HEART-FAIL
H – Hypoxia and haemodynamics first · E – Examine congestion and end-organ perfusion · A – Assess CHAMPIT triggers · R – Relieve congestion safely · T – Track ECG, BP, urine and electrolytes · F – Find the phenotype: warm/wet or cold/wet · A – Avoid harmful routine fluids/NSAIDs · I – Initiate/continue evidence-based therapy when stable · L – Link discharge education, follow-up and prevention.

19. Examination and revision questions

Define heart failure and explain why a normal ejection fraction does not exclude severe acute decompensation.
Differentiate left-sided, right-sided, biventricular, HFrEF and HFpEF presentations.
Explain the neurohormonal response to reduced cardiac output and how it causes congestion.
Use CHAMPIT to list and investigate precipitants of acute HF.
Describe the ABCDE assessment for a patient with acute pulmonary oedema.
Compare the warm/wet, cold/wet, warm/dry and cold/dry profiles.
Discuss the roles and limitations of ECG, chest X-ray, BNP/NT-proBNP, echo, lung ultrasound and troponin.
Outline safe nursing monitoring during IV loop diuretic therapy.
When are oxygen, CPAP/BiPAP, vasodilators, inotropes and vasopressors considered?
Why can repeated large fluid boluses worsen cardiogenic shock or right-ventricular failure?
List at least six complications of acute HF and the warning signs that require escalation.
Prepare a teach-back discharge plan for a patient recently admitted with acute-on-chronic HF.

Key takeaways

Heart failure is a syndrome of congestion, inadequate output or both; ejection fraction alone does not determine urgency.
Use ABCDE, continuous monitoring and the CHAMPIT trigger search at first contact.
Warm/wet patients need safe decongestion; cold/wet patients need urgent critical-care and haemodynamic assessment.
Oxygen is titrated to need; NIV can be life-saving in pulmonary oedema, but airway protection and BP must be monitored.
Diuretics, nitrates, inotropes and vasopressors require repeated reassessment of BP, renal function, electrolytes, urine output and perfusion.
Unmonitored fluid loading, NSAIDs, inappropriate high-flow oxygen and reflex medicine withdrawal can cause harm.
Discharge education, access to medicines, follow-up and prevention are part of emergency care, not an optional afterthought.

Suggested references

NICE. Acute heart failure: diagnosis and management (CG187).
European Society of Cardiology. 2021 Guidelines for acute and chronic heart failure, with focused updates.
AHA/ACC/HFSA. 2022 Guideline for the Management of Heart Failure.
American Heart Association. Diagnosing heart failure and warning symptoms.
American Heart Association. Medicines used to treat heart failure.
Use current Uganda Ministry of Health, ambulance, emergency-department, cardiology and critical-care protocols for local medicine availability, referral and treatment targets.

Heart Failure: Acute Decompensation, Pulmonary Oedema, Cardiogenic Shock and Emergency Nursing Care Read More »

Theatre Technique in Nursing: Operating Room Principles, Roles, Sterility and Patient Safety

Operating theatre team preparing for a safe surgical procedure

Add a suitable image of an operating theatre team preparing safely for surgery here.

Why this topic matters: The operating theatre is a high-risk environment where a small communication, identification, aseptic or counting error can cause permanent harm. Theatre technique is the organised application of surgical asepsis, patient-safety checks, teamwork, equipment knowledge and careful documentation before, during and after an operation.

Learning objectives

Define an operating theatre and explain the aims of theatre technique.
Describe theatre zones, environmental controls, team roles and patient flow.
Apply surgical asepsis, hand preparation, sterile gowning, gloving and sterile-field principles.
Explain patient identification, consent, site marking, positioning, counts and the WHO Surgical Safety Checklist.
Describe safe handling of instruments, specimens, sharps, electrosurgical equipment and medicines.
Recognise common theatre hazards and outline responses to fire, equipment failure, bleeding and anaesthetic emergencies.
Document and hand over perioperative care accurately.

1. Meaning and aims of theatre technique

The operating theatre or operating room is a controlled clinical area where invasive procedures are performed using specialised equipment, trained personnel and strict infection-prevention measures. Theatre technique is the disciplined set of methods used to keep the patient, team, instruments and environment safe throughout the perioperative period.

The main aims are to:

Protect the patient from wrong-person, wrong-procedure and wrong-site surgery.
Prevent surgical-site infection and transmission of blood-borne or environmental pathogens.
Maintain a sterile field and prevent contamination of instruments, wounds and implants.
Support safe anaesthesia, positioning, monitoring, haemostasis and recovery.
Promote teamwork, clear communication and early recognition of deterioration.
Protect staff from sharps injuries, chemicals, radiation, smoke, fire, manual-handling injuries and infection.
Ensure traceability of implants, medicines, specimens, counts and events.

2. Theatre layout and zones

Exact layouts vary by facility, but zoning controls movement, clothing, traffic and contamination.

Zone	Typical areas	Key requirements
Unrestricted zone	Reception, waiting, offices, changing areas and corridors outside the theatre suite.	Normal hospital clothing may be permitted according to facility policy; visitors are controlled.
Semi-restricted zone	Clean corridors, equipment storage, preparation rooms and anaesthetic areas.	Approved theatre clothing, hair covering and appropriate footwear; traffic is limited.
Restricted zone	Operating rooms, sterile storage and areas where open sterile supplies or scrubbed personnel are present.	Theatre clothing, hair and beard covering, mask when required, controlled doors and minimum movement.

Keep doors closed as far as practical, limit unnecessary personnel and avoid opening sterile packs long before they are needed. Clean and dirty flows should be separated according to facility design.

3. Operating theatre team and responsibilities

Surgeon or procedural clinician

Confirms indication, consent, patient identity, procedure and operative site.
Performs the procedure, leads the briefing and communicates changes or complications.
Ensures specimens are correctly identified and provides postoperative instructions.

Anaesthesia provider

Assesses the patient, explains anaesthesia, confirms consent and checks allergies and risks.
Prepares airway, breathing, circulation, monitoring, medicines and emergency equipment.
Maintains physiological stability, communicates blood loss and transfers the patient safely to recovery.

Scrub nurse or scrub practitioner

Performs surgical hand preparation, dons sterile attire and prepares the sterile field.
Checks instruments, sutures, swabs, needles, implants and equipment before the procedure.
Passes instruments safely, anticipates the procedure and maintains asepsis.
Performs counts with the circulating nurse and reports discrepancies immediately.

Circulating nurse

Coordinates the room, checks patient identity and documentation, and supports the sterile team without becoming sterile.
Records times, medicines, specimens, implants, counts, equipment and significant events.
Obtains additional supplies, protects the patient from injury and communicates with people outside the room.
Participates in the briefing, time-out, sign-out and postoperative handover.

Other team members

Depending on the procedure, the team may include an operating department assistant, technician, radiographer, perfusionist, student, porter, cleaner and specialist implant representative. Everyone must know their role, follow local policy and speak up about a safety concern.

4. Preparing the theatre

Environmental preparation

Confirm the room is clean, functional, uncluttered and supplied for the planned procedure.
Check lighting, operating table, suction, oxygen, power, diathermy, warming devices, monitors and emergency call systems.
Check that sterile packs are intact, dry, in date and have an acceptable indicator result.
Prepare sharps containers, waste containers, specimen pots, labels, forms and spill-management materials.
Check emergency equipment, airway devices, resuscitation medicines, blood-collection supplies and backup power according to policy.
Remove unnecessary equipment and reduce traffic, conversation and door opening.

Patient and procedure preparation

Confirm identity using approved identifiers and match the wristband, record, consent and theatre list.
Confirm procedure, site, side, allergies, fasting status, medicines, relevant investigations, blood availability and special equipment.
Check that the patient has removed unsafe jewellery, dentures, contact lenses or removable prostheses as indicated, while preserving dignity and documenting valuables.
Assess skin, pressure-injury risk, mobility, pain, anxiety, pregnancy possibility and communication needs.
Provide privacy, explain what will happen, answer questions within scope and report concerns before anaesthesia.

5. Surgical asepsis and the sterile field

Surgical asepsis means preventing the introduction of microorganisms into a sterile site. A sterile field contains sterile items and surfaces that are required for the procedure. Asepsis is maintained by behaviour, preparation, equipment, environment and constant awareness—not by gloves alone.

Core principles

Only sterile items may touch the sterile field, sterile instruments, the prepared incision or sterile gloves.
A sterile item becomes contaminated if it touches an unsterile item, falls below the field, becomes wet through or is exposed beyond the permitted time according to policy.
The outside of a sterile package is not sterile; open it without reaching over the contents.
Keep sterile hands in sight and above waist level; do not turn your back on an exposed sterile field.
Face sterile areas when passing and maintain safe distance from unsterile people.
Do not reach over a sterile field. Pass around it or ask for the needed item.
When in doubt, treat an item as contaminated and replace it.
Minimise movement, talking and unnecessary personnel to reduce airborne contamination.

Surgical hand preparation

Remove rings, watches and bracelets; keep nails short and free of artificial nails or chipped polish.
Inspect hands and forearms for cuts or skin problems and report any condition that prevents safe practice.
Use the facility-approved surgical hand antisepsis product and follow its contact time and technique.
Keep hands higher than elbows during rinsing so water flows from the cleanest area toward the less clean area.
Dry with a sterile towel from fingertips toward the elbow, using a separate area of the towel for each limb.
Don sterile gown and gloves without contaminating them.

Gowning and gloving

Inspect the gown and glove packages before opening.
Touch only the inside of the gown and avoid contact with unsterile surfaces.
Use closed-gloving when possible after gowning; use open-gloving only when appropriate to the situation and policy.
Keep the sterile front of the gown from chest to table level and the sleeves within the sterile boundaries defined by policy.
Change gloves immediately after a suspected contamination or puncture and report sharps injuries.

6. Skin preparation, draping and incision safety

Confirm allergies and sensitivities to antiseptics, adhesives, latex and dressings.
Use the approved antiseptic, correct concentration and adequate contact time; allow the solution to dry.
Prevent pooling of alcohol-containing solution beneath the patient, especially near diathermy pads or oxygen sources.
Prepare from the cleanest area outward using the prescribed direction and a new swab when required.
Use sterile drapes to create a controlled field; do not move drapes after placement unless the sterile team manages the change.
Cover exposed hair and protect the patient from heat loss, pressure and unnecessary exposure.

7. Patient positioning and prevention of injury

Positioning provides surgical access while protecting breathing, circulation, nerves, skin, eyes and joints. Confirm the planned position during the briefing and document the final position.

Position	Common use	Important safety points
Supine	Abdominal, vascular, breast and many general procedures.	Protect occiput, sacrum and heels; keep arms supported without excessive abduction; check pressure points.
Prone	Back, spine, buttock and posterior procedures.	Protect eyes, face, breasts, genitalia and knees; maintain airway access and avoid abdominal compression.
Lateral	Thoracic, renal and hip procedures.	Use supports, protect dependent ear and shoulder, maintain alignment and check the axilla and nerves.
Lithotomy	Perineal, gynaecological, urological and colorectal procedures.	Raise and lower both legs together; pad pressure points and avoid excessive hip flexion or nerve stretch.
Trendelenburg or reverse Trendelenburg	Pelvic or upper-abdominal access.	Secure the patient, protect sliding and breathing, reassess circulation and pressure areas.
Sitting or beach-chair	Shoulder and selected neurosurgical procedures.	Monitor cerebral perfusion, secure the airway and protect against falls and pressure injury.

Before incision, check alignment, padding, straps, pressure points, warming, grounding pads, tubing, lines, urinary catheter and the ability to access the airway and emergency equipment.

8. Patient identification, consent and the surgical safety checklist

Use the WHO Surgical Safety Checklist or the approved local equivalent. It supports communication and catches predictable errors at three critical moments.

Moment	Questions and actions
Before induction of anaesthesia	Confirm identity, procedure, site, consent, site marking, allergies, airway or aspiration risk, blood-loss risk, monitoring and equipment.
Before skin incision: time-out	Every team member states name and role; confirm patient, procedure and site; discuss critical steps, expected blood loss, antibiotic timing, imaging, sterility and equipment concerns.
Before the patient leaves the room: sign-out	Confirm procedure performed, instrument/swab/needle counts, specimen labels, equipment problems, postoperative plan and recovery concerns.

Any team member may stop the procedure to clarify a discrepancy. A checklist is not a tick-box exercise; the team must speak, listen and resolve concerns.

9. Instruments, supplies and safe passing

Know the names, uses, handling and hazards of common instruments before the procedure.
Inspect instruments for cleanliness, function, damage and insulation defects.
Arrange instruments in a logical sequence and keep tips visible and protected.
Pass sharp instruments using a neutral zone or hand-to-hand method according to policy; announce dangerous points.
Keep cords, suction tubing and irrigation lines organised to prevent disconnection or trips.
Use only approved equipment and report malfunction rather than improvising a repair.
Keep medication labels visible and never accept an unlabeled syringe or bowl.

10. Counts and retained-item prevention

Counts are a shared safety responsibility of the scrub and circulating practitioners. Count according to local policy before the procedure, before closure of a cavity, before wound closure and at the end of the procedure; perform additional counts after staff change or when a discrepancy is suspected.

Count swabs, sponges, needles, blades, instruments and other countable items audibly and visibly.
Record the count and communicate the result to the surgeon before closure.
If incorrect, keep the patient and field under control, repeat the count, search the field, waste, floor, linen and equipment, and inform the surgeon and senior nurse immediately.
Follow the facility escalation and imaging policy; do not silently accept an unexplained discrepancy.
Document the discrepancy, search, notifications and final resolution.

11. Specimen handling

Confirm the specimen type, site and patient identifiers with the surgeon and circulating nurse.
Place the specimen in the correct container and use the correct medium; do not place a specimen in formalin when fresh tissue or another medium is required.
Label immediately at the point of collection, not later from memory.
Read the label aloud and match it with the request form and patient record.
State whether the specimen is urgent, for culture, histology or another test.
Document dispatch, recipient and any special transport requirements.

12. Medicines, fluids and equipment safety

Check medicine name, strength, dose, route, patient, indication, expiry, allergies and label each prepared syringe or bowl.
Use aseptic technique when accessing vials, preparing injections or connecting infusions.
Confirm antibiotic prophylaxis timing and redose requirements according to the prescriber’s order and local guideline.
Check irrigation fluids and warmed fluids for correct identity, sterility and temperature.
Use diathermy safely: inspect the patient return electrode, place it on clean dry skin over a well-perfused muscle area, keep the skin dry and avoid pathways through implanted devices according to policy.
Manage surgical smoke using local ventilation or smoke evacuation when available.
Use radiation protection for fluoroscopy: time, distance, shielding, dosimetry and pregnancy precautions.

13. Infection prevention and theatre cleaning

Perform hand hygiene at the indicated moments and use appropriate personal protective equipment.
Keep sterile and contaminated equipment separate and transport used instruments in closed, safe containers.
Clean and disinfect surfaces and equipment between procedures according to the facility schedule and product instructions.
Use approved sterilisation and high-level disinfection processes; do not use an item if the pack is wet, torn, open or the indicator is unacceptable.
Manage blood and body-fluid spills promptly with approved procedures and PPE.
Segregate sharps, infectious waste, pathological waste, pharmaceutical waste and general waste at the point of generation.
Report needlestick injuries, splash exposures, breaks in asepsis and suspected surgical-site infection through the facility system.

14. Common theatre emergencies and immediate priorities

Follow the local emergency protocol and call for help early. The team should maintain basic life-support competence and know where emergency equipment is kept.

Major bleeding

Announce the concern, call for senior surgical and anaesthetic assistance and maintain airway, breathing and circulation.
Provide suction, pressure, instruments, large-bore access, blood samples and warmed fluids or blood products as prescribed.
Record estimated blood loss, fluids, blood products, medicines, vital signs and responses.

Anaesthetic or airway emergency

Call the anaesthesia team and emergency response, provide oxygen and support airway management within role.
Check connections, oxygen supply, suction, breathing circuit and monitors while the anaesthesia provider leads clinical treatment.
Prepare emergency medicines and equipment as directed and document the event.

Theatre fire

Raise the alarm, stop the procedure if possible and remove the patient from danger according to the facility fire plan.
Stop oxygen or fuel sources only when safe, use the correct extinguisher and evacuate as directed.
Protect the airway and wounds, account for staff and patients, and report the incident.

Malignant hyperthermia or severe reaction

Recognise rapidly rising carbon dioxide, muscle rigidity, tachycardia, hyperthermia or unexplained instability as an anaesthetic emergency. Call for help, stop triggering agents as directed, obtain the emergency treatment trolley and support cooling and resuscitation under the anaesthesia team’s leadership.

15. Recovery and postoperative handover

Handover should be structured and face-to-face whenever possible. Include:

Patient identity, procedure, anaesthetic, allergies and relevant history.
Airway and breathing status, oxygen therapy, circulation, consciousness, pain and temperature.
Blood loss, fluids, blood products, medicines and urine output.
Wound, drains, dressings, casts, catheters, lines and pressure-injury concerns.
Specimens sent, implants used, counts, equipment problems and intraoperative complications.
Surgeon’s orders, restrictions, observations, warning signs and who should be contacted.

Do not leave an unstable patient without an appropriate handover and receiving professional. Reassess pain, nausea, airway, circulation, temperature, wound and level of consciousness according to recovery policy.

16. Professional behaviours in theatre

Arrive prepared, punctual and appropriately dressed.
Speak clearly and respectfully; never silence a safety concern because of hierarchy.
Protect patient dignity when transferring, positioning, exposing or discussing the patient.
Do not use mobile phones, take photographs or discuss patient details outside authorised systems.
Teach students and visitors without compromising sterility or patient safety.
Report near misses as learning opportunities rather than hiding them.

17. Worked scenarios

Scenario 1: Wrong-side discrepancy

The consent form and theatre list indicate the left side, but the patient states the right side. Stop the preparation, keep the patient safe, inform the surgeon and anaesthesia provider, verify the record and consent, and resolve the discrepancy before proceeding. Never rely on a hurried verbal assumption.

Scenario 2: Missing needle at final count

Announce the discrepancy immediately. Keep the room and field controlled, repeat the count, search the sterile field, waste, floor, linen and equipment, inform the surgeon, follow the local imaging/escalation protocol and document everything. Do not wait until the patient leaves the theatre.

Scenario 3: Wet sterile pack

A wet pack is considered contaminated because moisture can allow microorganisms to pass through packaging. Remove it from use, obtain a dry sterile replacement and report repeated storage or sterilisation problems.

Scenario 4: Pressure area noticed after positioning

Tell the team before incision, reassess the position and padding, protect the area and document the assessment. Do not wait until the end of a long procedure when injury may have progressed.

SAFE THEATRE
Site, patient and consent confirmed · Asepsis protected · Functional equipment checked · Emergency readiness confirmed · Team briefing and time-out completed · Hand hygiene and safe handling maintained · Every count and specimen verified · Airway, positioning and pressure protected · Transfer and handover structured · Record complete · Escalate concerns early.

18. Revision questions

Define theatre technique and state its aims.
Describe unrestricted, semi-restricted and restricted theatre zones.
Discuss the roles of the scrub nurse and circulating nurse.
Explain eight principles of surgical asepsis.
Describe surgical hand preparation, gowning and gloving.
Explain the three stages of the WHO Surgical Safety Checklist.
Outline safe patient positioning and prevention of pressure and nerve injury.
Describe the procedure for instrument, swab and needle counts.
Explain how specimens should be labelled and transported.
Discuss immediate actions for major bleeding, airway emergency and theatre fire.
Outline the information required during handover to recovery.
Explain why a wet sterile pack must not be used.

Key takeaways

Theatre safety is a team responsibility built on identification, consent, asepsis, communication and reliable checks.
When sterility or a count is in doubt, stop and resolve the concern; never work around an unexplained risk.
Positioning, equipment, medicines, specimens and documentation are as important as instrument handling.
The WHO checklist works when the team speaks, listens and acts on concerns.
Safe recovery begins with a complete, structured handover.

Suggested references

World Health Organization. WHO Surgical Safety Checklist and implementation resources.
World Health Organization. Global guidelines for the prevention of surgical site infection. 2nd ed.; 2018.
Relevant Uganda Ministry of Health infection-prevention, operating-theatre, waste-management and patient-safety policies.
Facility surgical safety checklist, instrument-count policy, specimen policy and emergency procedures.

Theatre Technique in Nursing: Operating Room Principles, Roles, Sterility and Patient Safety Read More »

Communication in Counselling: Verbal, Non-verbal, Written and Electronic Methods

Health worker communicating with a counselling client

Add a suitable image showing respectful two-way communication in a counselling session here.

Why this topic matters: Communication is the instrument through which counselling takes place. A client may hear every word yet leave confused, ashamed or unsafe if the nurse does not listen, notice non-verbal cues, adapt the message or confirm understanding. Emergency and nursing students must communicate clearly under pressure while preserving dignity, privacy and informed choice.

Learning objectives

By the end of this note, the learner should be able to:

Define communication and describe its elements and two-way process.
Explain verbal, non-verbal, para-verbal, written, visual, interpreter-assisted and electronic communication.
Use active listening, open questions, reflection, clarification, summarising, teach-back and motivational communication.
Adapt communication to age, culture, language, disability, health literacy and emotional state.
Recognise common barriers and choose practical solutions.
Document counselling accurately and communicate essential information safely during handover and referral.
Protect confidentiality, consent and professional boundaries in face-to-face and digital communication.

1. Meaning and process of communication

Communication is the purposeful exchange of information, thoughts, feelings and meaning between people. It is more than sending a message: the receiver must have an opportunity to interpret, respond and correct misunderstandings. In counselling, communication is a therapeutic intervention because the way a message is delivered can reduce fear, support decision-making and strengthen trust.

Elements of the communication process

Sender: the person who initiates a message. In counselling this may be the client or the nurse.
Purpose: the reason for communicating, such as assessing a worry, giving information, obtaining consent or agreeing a plan.
Encoding: converting an idea into words, tone, gestures, writing, signs or images.
Message: the content and emotion being expressed.
Channel: the route, for example speech, hearing, touch, writing, telephone, video or an interpreter.
Receiver: the person who receives and interprets the message.
Decoding: making meaning from the words, tone, symbols and context.
Feedback: the receiver’s verbal or non-verbal response, teach-back, question or action.
Context: the clinical, cultural, emotional, physical and social circumstances around the conversation.
Noise: anything that interferes with meaning, including pain, fear, language difference, poor hearing, jargon, interruptions, stigma, fatigue or an unreliable network.

Because communication is two-way, a nurse should never assume that silence, a nod or “yes” proves understanding. Use feedback, clarification and teach-back.

2. Principles of counselling communication

Clarity: use simple words, a logical order and one idea at a time.
Accuracy: give evidence-informed information within your competence; correct errors promptly.
Completeness: include the information needed for a safe decision, including benefits, risks, alternatives and warning signs where relevant.
Conciseness: avoid a long lecture. Prioritise what the client needs now and provide more detail in stages.
Consistency: coordinate with the team so that the client receives the same essential plan.
Respect: protect dignity, privacy, autonomy, culture, beliefs and preferred language.
Two-way participation: invite questions and use the client’s story, not only a professional checklist.
Empathy: acknowledge emotion and uncertainty rather than offering false reassurance.
Timeliness: give urgent information early and do not postpone safety instructions until the end.
Confidentiality: choose a private place and share information only for care, safety, law or authorised service needs.
Adaptability: change language, pace, channel and aids to fit the client’s needs.
Verification: check understanding with teach-back, return-demonstration or a clear summary of decisions.

3. Verbal communication

Verbal communication uses spoken words. It is the main channel in most counselling encounters, but its effectiveness depends on vocabulary, language, tone, pace, timing and the relationship.

How to make spoken communication effective

Begin with an open invitation: “What would you like help with today?”
Use the client’s preferred language. If interpretation is necessary, speak directly to the client, use short sentences and pause for interpretation.
Replace jargon: say “high blood pressure” before or instead of “hypertension,” “blood clot” instead of “thrombus,” and “shortness of breath” instead of “dyspnoea” unless the technical term is being taught.
Use concrete time words and numbers; avoid vague instructions such as “take it regularly” when a specific schedule is required.
Signpost transitions: “I will first explain the test, then we will discuss how you feel about it.”
Chunk information into small sections, particularly when the client is in pain, frightened, fatigued or newly diagnosed.
Pause after important information and invite questions.
Use teach-back: “Please tell me in your own words what you will do when you reach home.”

Helpful verbal techniques

Technique	Function	Example
Open question	Encourages a fuller story.	“How has this illness affected your daily life?”
Closed question	Confirms a precise fact.	“Did you take the evening dose?”
Probing	Explores important detail without judgement.	“What happened after the pain began?”
Clarification	Checks an ambiguous word or statement.	“When you say ‘faint,’ did you lose consciousness?”
Paraphrase	Checks the content of the message.	“You were able to collect the medicine but could not afford transport to clinic.”
Reflection of feeling	Names emotion tentatively.	“You sound frightened about the result.”
Summarising	Organises the discussion and transitions to a plan.	“We have identified pain, poor sleep and the concern about cost.”
Normalising carefully	Reduces isolation without minimising difficulty.	“Many people feel anxious before surgery; we will still take your worry seriously.”
Information giving	Provides knowledge after checking what the client wants to know.	“Would it be okay if I explain what the test is for?”
Silence	Allows thought, emotion or grief.	Remain present after difficult news instead of changing the subject.

4. Non-verbal communication

Non-verbal communication conveys meaning without spoken words. It includes facial expression, eye behaviour, posture, gestures, movement, appearance, touch, personal space, use of time and the physical environment. Non-verbal signals can support spoken words or contradict them.

Non-verbal element	What it can communicate	Safe counselling practice
Facial expression	Interest, concern, shock, boredom or judgement.	Use a calm, attentive expression; avoid frowning or showing disgust.
Eye behaviour	Attention, discomfort, respect or intimidation.	Use culturally appropriate eye contact; do not stare or assume avoidance means dishonesty.
Posture	Openness, urgency, dominance or withdrawal.	Sit at the client’s level with an open, non-threatening posture.
Gestures	Emphasis, invitation, warning or impatience.	Use restrained, culturally respectful gestures; avoid pointing aggressively.
Touch	Comfort, support or intrusion.	Ask permission, consider culture and gender, and avoid touch when unsafe or unwanted.
Distance and space	Privacy, closeness, threat or formality.	Maintain respectful distance and prevent others from overhearing.
Silence and time	Reflection, grief, discomfort or neglect.	Allow useful silence while explaining delays and returning as promised.
Appearance	Professionalism, cleanliness and readiness.	Maintain appropriate identification, hygiene and professional dress.
Environment	Safety, privacy, status and welcome.	Reduce noise, close curtains or doors and position the client comfortably.

Never interpret a non-verbal behaviour as proof of a motive. Ask: “I notice you have become quiet; what are you thinking?” A client may avoid eye contact because of culture, fear, pain, trauma or respect.

5. Para-verbal communication

Para-verbal communication is how words are spoken rather than the words themselves. It includes pitch, tone, volume, speed, rhythm, pauses and emphasis.

Lower the volume and slow the pace when the client is frightened or has difficulty hearing.
Use a firm, clear tone for urgent safety instructions without shouting or humiliating the client.
Avoid a rising, doubtful tone when giving information that should be clear.
Pause after a question and do not answer for the client too quickly.
Match the emotional seriousness of the situation; a cheerful tone after bad news can appear insensitive.

6. Listening as a counselling method

Listening is an active clinical skill, not passive silence. A useful sequence is:

Prepare: stop unnecessary tasks, reduce distractions and attend to immediate safety.
Invite: use an open question or a gentle prompt.
Attend: observe words, emotion, pauses and changes in behaviour.
Encourage: use “I see,” “Go on” and respectful silence.
Reflect: paraphrase content and reflect feelings tentatively.
Clarify: ask for detail where it affects care or safety.
Summarise: check the story and identify priorities.
Respond: provide information, support, problem-solving or referral.

7. Written communication in counselling

Written communication includes records, consent forms, care plans, discharge instructions, referral letters, appointment cards, health-education materials, reports and messages. It should support continuity without exposing unnecessary personal information.

Qualities of good written communication

Accurate: record what was observed, reported, explained and agreed; distinguish fact from interpretation.
Clear: use legible writing or approved electronic fields, standard abbreviations and plain language for clients.
Complete: include date, time, participants, concerns, risk findings, education, response, plan, referral and follow-up.
Objective: write “client cried and stated, ‘I feel hopeless’,” not “client was dramatic.”
Timely: document soon after the encounter so details are not lost.
Confidential: store records securely and share only with authorised people who need the information.
Accessible: use large print, pictorial instructions, translated materials or assistive formats when required.

Counselling documentation outline

Section	What to record
Opening	Date, time, place, people present, language/interpreter, consent and reason for discussion.
Client perspective	Main concern, understanding, feelings, expectations, beliefs and priorities.
Assessment	Relevant clinical, social and safety findings; barriers and strengths.
Intervention	Information, demonstration, emotional support, problem-solving and risk response provided.
Understanding	Teach-back or return-demonstration result; misunderstandings corrected.
Plan	Actions, responsible person, referral, appointment, warning signs and follow-up.
Escalation	Senior clinician notified, safeguarding or emergency pathway used, and reason for disclosure where applicable.

8. Interpreter-assisted and supported communication

Language difference, hearing loss, speech difficulty, cognitive impairment or low literacy should lead to communication support, not reduced quality of care.

Use a trained interpreter or approved communication service where available.
Explain confidentiality and the interpreter’s role before starting.
Speak to the client, not the interpreter; use first person and short sentences.
Pause frequently and avoid long paragraphs, idioms and jokes that may not translate.
Do not ask a child to interpret sensitive information or consent.
Use writing, diagrams, pictorial aids, sign language, hearing devices or a communication board as appropriate.
Confirm understanding directly with the client through teach-back, not by asking the interpreter whether the client understood.

9. Electronic and telephone communication

Electronic communication can improve access and continuity, but it creates risks involving identity, privacy, context and delayed response. Use only approved platforms and follow facility policy.

Safe telephone communication

Confirm your identity, the client’s identity and whether it is safe and private to speak.
Clarify the purpose and assess urgent symptoms first.
Use concise, plain language and repeat critical instructions.
Do not give a diagnosis or treatment outside your scope or without the required clinical record and policy.
Record the call, advice, warning signs, referral and follow-up.
Escalate immediately if the client reports a life-threatening symptom or serious safety risk.

Safe electronic messaging

Use an approved account, device and secure platform; do not use public social media for clinical counselling.
Verify the recipient and avoid sending identifiable information to the wrong contact.
Keep messages professional, factual and limited to the care need.
State expected response time and provide an emergency alternative; do not imply that an electronic message is continuously monitored.
Document clinically important advice in the authorised record.
Do not photograph or forward records, wounds or clients without consent and policy authorisation.

10. Counselling methods that use communication

Client-centred communication

Begin with the client’s agenda, listen without judgement, reflect understanding and support the client to identify goals. It is especially useful for grief, adjustment, values, uncertainty and ambivalence.

Motivational communication

When a client is unsure about change, avoid arguing. Ask permission to give information, explore the advantages and disadvantages of change, elicit the client’s own reasons, rate confidence and ask what would increase confidence. Reflect change talk and support achievable steps.

Teach-back and return-demonstration

Teach-back is an evidence-informed health-literacy method that checks whether the nurse explained information clearly. It is useful for medicines, discharge, wound care, inhalers, diet, warning signs and appointments. Return-demonstration is used when the client must perform a skill.

SBAR for referral and handover

When passing essential information to another professional, use a structured format:

S – Situation: who the client is and the immediate concern.
B – Background: relevant diagnosis, history, treatment and context.
A – Assessment: observations, vital signs, risks, response and your concern.
R – Recommendation: what is needed now, by whom and by when.

11. Barriers to communication and solutions

Barrier	How it affects counselling	Practical solution
Noise and interruptions	Important words are missed and privacy is lost.	Move to a quieter space, silence devices and schedule protected time.
Jargon and low health literacy	Client agrees without understanding or cannot apply the plan.	Use plain language, pictures, chunking and teach-back.
Language difference	Meaning and consent may be inaccurate.	Use a trained interpreter and speak directly to the client.
Hearing, vision or speech impairment	The client cannot receive or express information easily.	Provide aids, face the client, write or sign and allow extra time.
Pain, shock, fatigue or medication effect	Attention and memory are reduced.	Stabilise first, prioritise essential points and repeat later.
Fear, shame or stigma	Client withholds information or avoids care.	Show empathy, ensure privacy and use non-judgmental questions.
Cultural mismatch	The plan may conflict with beliefs or family expectations.	Ask about beliefs and negotiate safe options respectfully.
Power imbalance	Client may agree because they feel unable to disagree.	Invite questions, offer choices and check voluntary agreement.
Anger or aggression	Conversation can become unsafe or defensive.	Maintain distance, acknowledge concern, set limits and obtain help.
Assumptions and bias	The nurse asks the wrong questions or blames the client.	Use curiosity, reflective practice and neutral language.
Digital privacy or poor connectivity	Information may be exposed or the message incomplete.	Use approved systems, confirm identity and provide a safe alternative.

12. Communication during difficult conversations

Choose a private space and allow enough time; introduce the purpose and check who the client wants present.
Use direct but compassionate words. Avoid euphemisms that create confusion.
Ask what the client already knows before adding new information.
Give information in small portions and pause for emotion and questions.
Acknowledge uncertainty honestly; do not promise that everything will be fine.
Allow silence and tears. Offer practical support and involve the appropriate team.
Summarise the next steps, document the conversation and arrange follow-up.

13. Worked counselling situations

Situation 1: Medication instructions after discharge

The nurse first asks what the patient understands, explains the medicine’s purpose, dose, timing, common precautions and missed-dose instruction in short sections, then asks the patient to teach back the schedule. If the patient cannot explain it, the nurse changes the explanation rather than blaming the patient.

Situation 2: Client with limited English

Arrange an approved interpreter, explain privacy, face the client and use short sentences. Speak in the first person, pause for interpretation and ask the client to explain the plan in their preferred language. Do not rely on a child for sensitive consent or sexual-health counselling.

Situation 3: Family member asks for confidential results

Do not disclose information simply because the person is a relative. Confirm the patient’s consent and facility policy. Explain respectfully that you must protect privacy, then offer to discuss general support or involve the patient in deciding what may be shared.

Situation 4: Aggressive caller

Remain calm, identify yourself and the service, listen briefly, acknowledge the concern and set a clear boundary: “I want to help, but I cannot continue while I am being threatened.” If risk continues, end the call according to policy, notify a senior and document the event. Urgent threats require the appropriate emergency pathway.

14. Communication self-audit

Question	Yes/No and improvement action
Did I provide privacy and introduce my role?	Record one change if the setting was not private enough.
Did I ask what the client already knew and wanted to know?	Plan an open question for the next encounter.
Did I listen without unnecessary interruption?	Estimate how much the client spoke compared with me.
Did I use plain language and culturally respectful communication?	Replace one jargon term and identify any needed aid.
Did I observe and verify non-verbal cues?	Write the neutral observation and the question used.
Did I check understanding with teach-back?	Rewrite a teach-back question if not.
Did I recognise risk and escalate appropriately?	Review the referral pathway with a supervisor.
Did I document and arrange follow-up?	Check that the record states who will do what and when.

CLEAR communication
Check privacy and consent · Listen before lecturing · Explain in plain language · Adapt to the client and context · Repeat back the plan and record it.

15. Revision questions

Define communication and explain the elements of the communication process.
Differentiate verbal, non-verbal and para-verbal communication with examples from nursing.
Explain how facial expression, posture, eye behaviour, touch and silence affect counselling.
Describe active listening and demonstrate five listening responses.
Write examples of open, closed, probing, clarifying and scaling questions.
Discuss written communication in counselling and outline a suitable counselling note.
Explain how to work safely with an interpreter or a client with a communication disability.
Discuss privacy and safety concerns in telephone and electronic counselling.
Describe teach-back and explain why it is a safety check rather than a test.
Use the barriers table to develop a communication plan for a frightened, low-literacy client who speaks another language.

Key takeaways

Communication is complete only when the client can receive, interpret and respond to the message.
Words, tone, body language, written material and digital channels must support one another.
Active listening, empathy, clarification, plain language and teach-back are core counselling safety skills.
Privacy, consent, accurate documentation and appropriate referral apply to every communication method.
When pain, fear, language or disability creates a barrier, adapt the method rather than lowering the quality of care.

Suggested references

World Health Organization, War Trauma Foundation and World Vision International. Psychological first aid: Guide for field workers. WHO; 2011.
Agency for Healthcare Research and Quality. Teach-Back Tool and Health Literacy Universal Precautions Toolkit.
World Health Organization. Counselling for maternal and newborn health care: A handbook for building skills.
Relevant Uganda Ministry of Health policies, professional codes, confidentiality requirements and facility communication procedures.

Communication in Counselling: Verbal, Non-verbal, Written and Electronic Methods Read More »

Qualities of a Good Counsellor: Professional Characteristics, Skills and Ethical Practice

Professional counsellor listening to a client

Why this topic matters: Counselling quality depends less on having a perfect script and more on the counsellor’s character, communication, judgement and ability to create a safe helping relationship. A nurse may know the correct health message, but the client is more likely to disclose concerns, understand advice and follow a plan when the nurse is trustworthy, respectful and clinically safe.

Learning objectives

By the end of this note, the learner should be able to:

Explain the difference between personal qualities, counselling skills and professional competencies.
Describe the attitudes and behaviours that build a therapeutic helping relationship.
Demonstrate listening, empathy, questioning, reflection, summarising and teach-back.
Apply ethical principles, boundaries, confidentiality and safeguarding in counselling.
Adapt counselling to age, culture, language, disability, health literacy and emotional state.
Recognise the counsellor’s limits and use supervision, referral and self-care appropriately.
Evaluate a counselling encounter using a practical quality checklist.

1. Who is a good counsellor?

A good counsellor is a trained helper who combines a respectful attitude, appropriate communication techniques, sound clinical judgement and ethical responsibility to help a client understand a situation and take safe, meaningful steps. In nursing, counselling is integrated with assessment, health education, treatment, rehabilitation, discharge planning and referral.

A good counsellor is not simply a person who talks a lot, gives quick advice or solves every problem. The counsellor helps the client think, feel, decide and act while recognising when the client needs urgent medical care or a specialist service.

Three parts of counselling competence

Part	Meaning	Examples
Personal qualities	Stable attitudes and ways of relating that make the helper trustworthy.	Warmth, honesty, patience, humility, emotional steadiness and respect.
Communication skills	Observable techniques used during the conversation.	Active listening, open questions, paraphrasing, reflection, silence and teach-back.
Professional competencies	Knowledge, judgement and ethical actions required for safe practice.	Risk assessment, documentation, confidentiality, referral, informed consent and use of supervision.

2. Essential personal qualities

1. Empathy

Empathy is the ability to understand a client’s experience and communicate that understanding without claiming to have lived exactly the same experience. Empathy is not pity, agreement with every belief or taking the client’s distress home as your own.

Listen for the emotion beneath the facts.
Use tentative language so the client can correct you: “You seem disappointed; have I understood?”
Validate the feeling without validating a harmful conclusion: “It makes sense that you are frightened; we can examine the options together.”
Avoid minimising phrases such as “Do not worry,” “Others have it worse” or “You must be strong.”

2. Respect and non-judgment

Respect means treating every client as a person with dignity, rights and capacity for participation, regardless of diagnosis, income, age, disability, religion, sexuality, occupation, substance use, behaviour or previous adherence. Non-judgment does not mean ignoring risk; it means discussing risk without humiliation or moral condemnation.

Use the client’s preferred name and pronouns where known.
Ask permission before sensitive questions or physical contact.
Do not laugh, gossip, show disgust or make assumptions about a client’s lifestyle.
Separate the person from the behaviour: “This medicine has not been taken regularly” rather than “You are careless.”

3. Genuineness and authenticity

A genuine counsellor is honest, present and consistent. Clients notice when the nurse is reading a script while looking at the clock or computer. Genuineness does not mean revealing private details or acting informally; it means the verbal message, tone and behaviour are congruent.

Acknowledge when you do not know an answer and promise to find accurate information.
Correct an earlier error openly rather than hiding it.
Do not make promises about cure, confidentiality beyond its lawful limits or exact outcomes.

4. Patience and tolerance of silence

Distressed clients may need time to find words, cry, remember details or decide whether it is safe to speak. A patient counsellor does not rush to fill every silence. Use a calm presence, a nod or “Take your time,” then allow the client to continue.

5. Emotional steadiness

The counsellor should remain calm when a client is angry, tearful, confused or frightened. Emotional steadiness does not mean being cold. It allows the nurse to notice personal reactions, regulate tone and keep safety in view. If the nurse becomes overwhelmed, unsafe or unable to remain impartial, seek a colleague or supervisor.

6. Humility and willingness to learn

Humility means recognising that the client is the expert on their own life and that the health worker can make mistakes. Ask, listen, invite correction and reflect on the encounter. Cultural humility requires lifelong learning rather than memorising stereotypes about groups.

7. Reliability and accountability

Trust grows when the counsellor does what was agreed. Keep appointments, complete referrals, document accurately, return calls according to policy and explain delays. If a promise cannot be kept, tell the client and arrange an alternative.

3. Communication skills of an effective counsellor

Active listening

Active listening is purposeful attention to spoken words, emotion, pauses and non-verbal signals. It involves:

Reducing distractions and facing the client appropriately.
Using brief encouragers such as “I see,” “Go on” or a calm nod.
Allowing the client to complete a thought before asking the next question.
Listening for the client’s understanding, worries, expectations and strengths.
Summarising and checking rather than assuming.

Questioning

Open questions invite a story: “What concerns you most about going home?”
Closed questions establish a specific fact: “Have you vomited today?”
Probing questions gently explore detail: “What happened next?”
Clarifying questions check meaning: “When you say dizzy, do you mean the room spins or that you may faint?”
Scaling questions help quantify a subjective experience: “On a scale of zero to ten, how confident are you that you can follow this plan?”

Avoid rapid-fire interrogation, leading questions, double questions and “why” questions asked in an accusing tone. Ask one question at a time and explain sensitive questions when needed.

Reflection, paraphrasing and summarising

Skill	Purpose	Useful wording
Paraphrasing	Checks the content of the client’s message.	“You understood the appointment date but not the new dose.”
Reflection of feeling	Names emotion tentatively and invites correction.	“You sound worried that people will judge you.”
Reflection of meaning	Explores the personal significance of an event.	“Being unable to work has affected your sense of independence.”
Summarising	Organises a long discussion and creates a transition or plan.	“We have discussed your pain, transport barrier and two possible follow-up options.”

Explaining and teaching

A good counsellor provides information in manageable amounts. Use the Ask–Tell–Ask approach:

Ask: find out what the client already knows and what they want to know.
Tell: ask permission, explain one or two important points in plain language, and connect them to the client’s concern.
Ask: use teach-back or return-demonstration to check understanding.

Teach-back is not a test of the client. Say, “I want to check how clearly I explained this. Please tell me how you will take the medicine.” Correct misunderstandings kindly and repeat using a different explanation.

4. Professional and ethical qualities

Confidentiality

Protect private information in conversation, paper records, electronic systems and informal communication. Choose a private space, lower your voice, secure records and avoid discussing clients in corridors or on personal messaging platforms. Explain that information may need to be shared with the care team or authorities when required for safety, law or continuity of care.

Boundaries

Professional warmth is compatible with clear boundaries. A counsellor should:

Keep contact within the professional role and facility policy.
Avoid sexual, romantic, financial or exploitative relationships with clients.
Decline gifts that create obligation; follow local policy for culturally appropriate tokens.
Avoid unnecessary personal disclosure and do not make the client responsible for the nurse’s emotions.
Use chaperones and appropriate consent for sensitive assessment or examination.
Refer rather than extending a relationship beyond the nurse’s competence or role.

Respect for autonomy and informed choice

Support the client to understand options, benefits, risks and alternatives. Do not manipulate a person into agreement by threatening withdrawal of care, shaming them or presenting only the option preferred by the nurse. When a client lacks decision-making capacity, follow the relevant legal, ethical and facility process, involving an authorised surrogate where appropriate.

Justice and fairness

Provide the same seriousness, privacy and effort to every client. Watch for unconscious bias based on age, gender, disability, HIV status, mental illness, poverty, language, occupation or perceived adherence. Arrange reasonable communication and accessibility support.

Safeguarding and duty to act

A counsellor must not promise absolute secrecy when a client may be in serious danger. Explore immediate safety when there is suspected abuse, sexual violence, exploitation, neglect, self-harm, harm to others or inability to care for a dependent. Preserve dignity, involve the senior clinician and follow the facility’s safeguarding and referral pathway.

5. Qualities that make counselling culturally and clinically safe

Language sensitivity: use a trained interpreter when required; check the client’s preferred language and avoid using children for sensitive interpretation.
Health-literacy awareness: never assume that a nod means understanding. Use plain language, pictures, demonstration and teach-back.
Cultural curiosity: ask what the illness means to the client, which practices are helpful, who should be involved and what might make the plan difficult.
Gender and privacy awareness: offer a same-gender provider or chaperone where possible and explain why an examination is needed.
Disability inclusion: arrange physical access, hearing or visual aids, extra time and communication supports; speak to the client, not only the caregiver.
Trauma-informed care: promote safety, choice, collaboration, trust and empowerment. Do not force a detailed account of trauma when immediate support and referral are the priority.
Child and adolescent sensitivity: communicate at the developmental level, involve caregivers appropriately and protect the young person’s privacy within law and policy.

6. Clinical judgement and safety skills

Good interpersonal qualities are not enough if the counsellor misses danger. Before and during counselling, integrate basic clinical judgement:

Check whether the client is medically stable enough to talk. Address airway, breathing, circulation, severe pain, shock, seizure, poisoning and altered consciousness first.
Observe for delirium, intoxication, psychosis, severe depression, mania or cognitive impairment that affects participation.
Ask direct, calm questions about self-harm or violence when indicated. Do not leave a high-risk client alone while arranging help unless obtaining emergency help requires it.
Recognise when a problem is beyond your scope, such as complex psychotherapy, severe mental illness, legal advice or an unsafe home situation.
Make a warm referral: explain why another service is needed, introduce the client where possible, send the minimum necessary information and confirm the destination.
Safety-net every plan: explain warning signs, where to return, who to contact and when follow-up will occur.

7. Self-awareness, supervision and self-care

Counsellors are affected by repeated exposure to pain, death, violence, grief and social hardship. Self-care is a professional safety measure, not selfishness.

Notice personal triggers, strong emotions, stereotypes and urges to rescue, punish or withdraw.
Use supervision or a senior colleague after complex, high-risk or emotionally difficult encounters.
Keep reasonable workload, rest, hydration, nutrition and recovery time where the service allows.
Use confidential staff-support or mental-health services when distress, sleep problems, irritability or intrusive memories persist.
Do not debrief identifiable client details in public or informal social-media conversations.
Recognise compassion fatigue and burnout: emotional exhaustion, detachment, reduced empathy, poor concentration and declining performance.

8. A practical counselling quality checklist

Domain	Questions for self-review
Preparation	Was the space private, safe and accessible? Did I know the purpose and my role?
Opening	Did I introduce myself, obtain consent, explain confidentiality and agree the time?
Relationship	Did my tone, posture and language communicate respect and genuine attention?
Assessment	Did I explore the client’s understanding, priorities, barriers, strengths and safety risks?
Communication	Did I use open questions, active listening, reflection, plain language and appropriate silence?
Shared plan	Did the client participate in choosing realistic actions and identify support?
Understanding	Did I use teach-back or return-demonstration without blaming the client?
Referral	Did I recognise the limits of my competence and link the client to the right service?
Closing	Did I summarise, answer questions, give warning signs and arrange follow-up?
Documentation	Is the record accurate, objective, timely, relevant and respectful of privacy?

9. Common unhelpful counsellor behaviours

The lecturer: gives a long speech without finding out what the client knows or wants.
The fixer: takes over decisions and creates a plan the client cannot own.
The interrogator: asks many closed questions and never listens to the answer.
The judge: uses blame, sarcasm or moral language about behaviour.
The rescuer: promises more than the service can provide or becomes over-involved.
The avoider: changes the subject when grief, sexuality, violence or death is mentioned.
The amateur therapist: attempts complex treatment outside training and delays referral.
The secret-keeper: promises absolute confidentiality even when safety requires escalation.

10. Worked scenarios

Scenario A: Client refuses a recommended procedure

A good counsellor does not label the client difficult. The nurse checks capacity, asks what the client understands, explores fears and beliefs, provides balanced information, checks for coercion, involves a chosen support person if desired, informs the responsible clinician and documents the decision. Respect for autonomy continues even when the nurse disagrees.

Scenario B: Adolescent asks a sensitive question

Provide privacy appropriate to the setting, explain confidentiality and its limits, use non-judgmental language and assess safety. Encourage the adolescent to identify a trusted adult, but do not disclose private information casually. Follow local policy for consent, safeguarding and mandatory reporting.

Scenario C: Angry relative in an emergency unit

Maintain a safe distance and calm tone. Acknowledge the concern, set respectful limits, explain what information can be shared and when, and obtain security or senior support if there is a threat. Do not argue, make promises or disclose confidential details about the patient.

Scenario D: Nurse feels personally triggered

If a client’s story resembles the nurse’s own experience and the nurse notices losing focus or becoming over-involved, pause safely, involve a colleague or supervisor, transfer the encounter when appropriate, and seek support. Continuing while emotionally overwhelmed can harm both client and nurse.

11. Questions for examination and discussion

Define a good counsellor and distinguish personal qualities from counselling skills.
Discuss ten qualities of an effective counsellor and show how each improves client care.
Explain empathy and differentiate it from sympathy, pity and agreement.
Describe how active listening, silence, paraphrasing, reflection and summarising are used.
Explain the importance of confidentiality, boundaries, autonomy, justice and safeguarding.
Describe how counselling can be adapted for a client with low health literacy, disability or limited English.
Outline the warning signs that require urgent escalation or specialist referral.
Discuss how supervision and self-care protect the quality of counselling.
Use the quality checklist to critique a counselling encounter you have observed.
Write a brief counselling plan for a client who is frightened after a new diagnosis.

TRUSTED counsellor
Treat every client with dignity · Remain present and respectful · Use empathy and understandable language · Safeguard privacy and safety · Take the client’s priorities seriously · Explore before advising · Document and follow through.

Key takeaways

A good counsellor combines empathy, respect, genuineness, patience, emotional steadiness, humility, reliability and sound judgement.
Professional counselling requires more than kindness: it includes consent, confidentiality, boundaries, risk assessment, documentation and referral.
Ask, listen, reflect, explain in small amounts and use teach-back to make the encounter safe.
The best plan is one the client understands, accepts and can realistically carry out.
Knowing when to seek supervision or refer is a sign of competence, not failure.

Suggested references

World Health Organization, War Trauma Foundation and World Vision International. Psychological first aid: Guide for field workers. WHO; 2011.
British Association for Counselling and Psychotherapy. What is counselling? Guidance on the helping relationship, assessment, contracting and client choice.
Relevant Uganda Ministry of Health policies, professional codes, safeguarding procedures and facility referral guidelines.

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