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Related Concept Videos

Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...
Tuberculosis01:23

Tuberculosis

Tuberculosis (TB) remains a significant global health concern, primarily targeting the lungs and spreading through airborne transmission. Infection begins when aerosolized droplet nuclei, expelled by an individual with active TB, are inhaled by another person. These microscopic particles carry Mycobacterium tuberculosis, the causative agent of TB. Upon reaching the alveoli, the bacilli are engulfed by alveolar macrophages. However, due to their specialized lipid-rich cell wall, these pathogens...

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Related Experiment Video

Updated: Jul 16, 2026

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
23:06

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis

Published on: August 11, 2008

A tuberculosis outbreak in Deal, Kent.

J S Jones

    Lancet (London, England)
    |May 8, 1982
    PubMed
    Summary

    Contact tracing for tuberculosis (TB) in a rowing club failed to detect active cases, despite examining over 500 contacts. This highlights challenges in TB control within community settings.

    Area of Science:

    • Public Health
    • Infectious Disease Epidemiology
    • Respiratory Medicine

    Background:

    • Tuberculosis (TB) remains a significant global health concern, necessitating effective contact tracing for disease control.
    • Community-based outbreaks require robust surveillance and intervention strategies to prevent transmission.

    Observation:

    • An outbreak linked to a rowing club resulted in six active tuberculosis cases, including two fatalities.
    • Standard contact tracing protocols were initiated after the third case was identified, but no active infections were detected through this process.
    • Over 500 contacts were evaluated, with 443 undergoing tuberculin testing and 222 receiving chest X-rays.

    Findings:

    • Despite extensive contact tracing efforts, the active TB cases within the rowing club were not identified proactively.

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    An Experimental Model to Study Tuberculosis-Malaria Coinfection upon Natural Transmission of Mycobacterium tuberculosis and Plasmodium berghei
    09:02

    An Experimental Model to Study Tuberculosis-Malaria Coinfection upon Natural Transmission of Mycobacterium tuberculosis and Plasmodium berghei

    Published on: February 17, 2014

    Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
    10:04

    Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates

    Published on: September 5, 2017

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    Last Updated: Jul 16, 2026

    The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
    23:06

    The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis

    Published on: August 11, 2008

    An Experimental Model to Study Tuberculosis-Malaria Coinfection upon Natural Transmission of Mycobacterium tuberculosis and Plasmodium berghei
    09:02

    An Experimental Model to Study Tuberculosis-Malaria Coinfection upon Natural Transmission of Mycobacterium tuberculosis and Plasmodium berghei

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    Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
    10:04

    Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates

    Published on: September 5, 2017

  • One death was attributed to an individual's refusal to seek medical care, while the second involved a young, tuberculin-positive contact who missed a follow-up appointment.
  • The study underscores potential gaps in the efficacy of traditional contact tracing in certain community settings.

    • Implications:

    • This case highlights the limitations of standard contact tracing in identifying all active tuberculosis cases within a defined social network.
    • Improved strategies may be needed to enhance TB detection and follow-up compliance in community outbreaks.
    • Public health interventions should consider factors influencing healthcare-seeking behavior and appointment adherence to effectively manage infectious disease transmission.