My Courses

Microbiology: Oncogenic Viruses and Human Papillomavirus (HPV) Module Overview This comprehensive master guide details the clinically vital study of tumor-causing viruses. We will thoroughly explore the molecular virology, pathophysiology, clinical manifestations, diagnosis, and prevention of Human Papillomavirus (HPV). You will understand exactly how a microscopic pathogen hijacks cellular machinery to transform healthy tissue into fatal…

Comprehensive Master Guide: HIV Infection & AIDS I. Introduction: What is HIV/AIDS? To understand the clinical management of this disease, we must first master the strict definitions and the biological nature of the virus itself. Definitions HIV (Human Immunodeficiency Virus): A human retrovirus infection that specifically targets, invades, and destroys human T-helper lymphocytes (CD4+ cells).…

The Body’s Environments: Internal and External The human body is a biological machine that does not exist alone. Rather, it exists within two distinct environments that constantly interact to maintain life, health, and functionality. To understand human physiology, we must first understand the boundaries and contents of these two environments. 1. The External Environment Description:…

Gastrointestinal Infections 1. Introduction to Gastrointestinal Infections Gastrointestinal infections are diseases that primarily affect the stomach and intestines. When we talk about these infections, we usually use the term Gastroenteritis. Definition Definition of Gastroenteritis: It is a syndrome of diarrhea and/or vomiting that involves the upper small bowel or the colon. The Exception: Helicobacter pylori…

Respiratory Tract Infections (RTI) Module Overview This master guide provides an exhaustive look into Respiratory Tract Infections. It covers everything from the foundational anatomy and natural defenses of the lungs, to the specific clinical syndromes of the upper and lower respiratory tracts, and finally the rigorous laboratory protocols required to accurately diagnose these potentially life-threatening…

Upper Respiratory Tract Infections (URTIs) 1. Overview and Magnitude of the Problem An Upper Respiratory Tract Infection (URTI), commonly referred to as “the common cold”, is a symptom complex primarily caused by viruses, occasionally bacteria, and very rarely fungi. EXAM TRIVIA The term “URTI” is actually considered a misnomer (inaccurate name). Why? Because it incorrectly…

Infections of the Central Nervous System (CNS) Exam Prep Focus Welcome to CNS Infections! This section is highly tested on exams because recognizing a CNS infection quickly is a matter of life and death. 1. Introduction to CNS Infections The Central Nervous System (brain and spinal cord) is a highly protected fortress. However, when invaders…

Urinary Tract Infections (UTIs) Module Overview Welcome to the comprehensive master guide on Urinary Tract Infections (UTIs). This guide covers everything from the microscopic battleground between bacterial virulence factors and host defenses, to step-by-step diagnostic workups and evidence-based treatment guidelines. 1. The Definitions Before diving into pathology, you must master the precise terminology used to…

Skin and Soft Tissue Infections (SSTIs) 1. Introduction to Skin & Soft Tissue Infections (SSTIs) General Overview: SSTIs range from minor superficial infections (like a tiny pimple) to rapidly spreading, life-threatening emergencies (like flesh-eating bacteria). The skin normally acts as an impenetrable physical and immunological barrier; infections usually require a breach (such as trauma, an…

History & Diagnostics in Microbiology PART 1: HISTORY OF MICROBIOLOGY 1. The Dark Ages of Disease Before the invention of microscopes, humans were completely blind to the microscopic world. Diseases were attributed to supernatural causes (curses, angry gods) or “miasmas” (bad, foul-smelling air from rotting organic matter). Slowly, the concept of contagion (disease spreading by…