Tuberculosis (TB) Explained: Causes, Symptoms, Diagnosis & Treatment | Medical Lecture #shorts

In this lecture, we cover Tuberculosis (TB) in detail, including its causative agent, transmission, clinical stages, diagnostic methods, and standard anti-tubercular therapy (ATT). ​Topics Covered: ​What is Tuberculosis (TB)? – Bacterial etiology (Mycobacterium tuberculosis) ​Epidemiological Triad – Agent, Host factors, and Environmental risk factors ​Incubation Period & Transmission – Airborne droplet transmission and close contact ​Latent TB vs Active TB – Pathophysiology and signs (persistent cough, fever, night sweats, weight loss, fatigue) ​Screening & Diagnosis – Tuberculin Skin Test (Mantoux), Chest X-ray, Sputum Smear Microscopy & Culture ​Management & Medications – First-line ATT drugs (Isoniazid, Rifampicin, Ethambutol, Pyrazinamide) and course duration (6–9 months) ​Prevention & Control – BCG Vaccination, Chemoprophylaxis (LTBI), and Infection Control protocols ​Timestamps: ​[00:00] Introduction to Tuberculosis (TB) ​[00:55] Epidemiological Triad (Agent, Host, Environment) ​[02:11] Incubation Period & Mode of Transmission ​[03:07] Latent TB vs Active TB & Common Symptoms ​[04:08] Screening & Diagnostic Tests (Mantoux, X-Ray, Sputum Culture) ​[04:42] Medical Management (Antibiotics & Treatment Duration) ​[05:20] Prevention & Control (BCG Vaccine & Infection Control)