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Related Concept Videos

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...
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 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 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...
Transmission-based Precautions II: Airborne and Protective Environment01:25

Transmission-based Precautions II: Airborne and Protective Environment

Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...

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Related Experiment Video

Updated: May 12, 2026

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

Active case finding for tuberculosis among high-risk groups in low-incidence countries.

D Zenner1, J Southern, R van Hest

  • 1Tuberculosis Section, Respiratory Diseases Department, Health Protection Agency, Colindale, London, UK.

The International Journal of Tuberculosis and Lung Disease : the Official Journal of the International Union Against Tuberculosis and Lung Disease
|April 12, 2013
PubMed
Summary

Targeted active case finding for tuberculosis (TB) in high-risk groups shows promise in low-incidence countries. Further research is needed to optimize screening strategies and cost-effectiveness for effective TB control.

Related Experiment Videos

Last Updated: May 12, 2026

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

Area of Science:

  • Public Health
  • Infectious Disease Epidemiology
  • Health Services Research

Background:

  • Tuberculosis (TB) incidence is decreasing in many countries but remains concentrated in specific high-risk populations.
  • These groups include migrants, homeless individuals, illicit drug users, alcoholics, and prisoners.
  • This epidemiological shift necessitates targeted public health interventions.

Purpose of the Study:

  • To review the evidence supporting active case finding (ACF) for TB in migrants and social risk groups.
  • To evaluate the cost-effectiveness of implemented TB screening interventions.
  • To inform evidence-based TB control strategies in low-incidence settings.

Main Methods:

  • Systematic review of observational studies on active case finding in defined high-risk populations.
  • Analysis of data on the cost-effectiveness of various TB screening tools and strategies.
  • Synthesis of evidence to guide public health policy.

Main Results:

  • Observational data suggest that active case finding is beneficial in identified high-risk groups.
  • Evidence regarding the effectiveness of specific diagnostic tools for TB screening in these populations is limited.
  • Comprehensive cost-effectiveness data for different screening strategies are still under development.

Conclusions:

  • Active case finding is a potentially valuable approach for TB control in low-incidence countries targeting specific high-risk groups.
  • Further research is crucial to determine optimal screening tools and cost-effective strategies.
  • Global TB control also relies on effective disease management in high-burden countries.