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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 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 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 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...
Sputum Studies I: Gram Stain, cytology, and Acid-fast smear and culture01:26

Sputum Studies I: Gram Stain, cytology, and Acid-fast smear and culture

Sputum studies are a critical part of diagnosing and treating numerous respiratory conditions. These studies involve obtaining sputum samples for analysis to identify pathogenic organisms and assess the presence of abnormal cells indicative of malignant conditions. This lesson will delve into three fundamental sputum studies: Gram Stain, Cytology, and Acid-fast Smear and Culture.
Gram Stain
The Gram Stain is an integral part of sputum studies. It involves the staining of sputum, which permits...
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...

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Updated: May 21, 2026

A Tuberculosis Molecular Bacterial Load Assay (TB-MBLA)
10:41

A Tuberculosis Molecular Bacterial Load Assay (TB-MBLA)

Published on: April 30, 2020

Tuberculosis: laboratory diagnosis.

Camilla Rodrigues1, Viral Vadwai

  • 1Department of Microbiology, P. D. Hinduja National Hospital and Medical Research Center, Lalita Girdhar Building, Veer Savarkar Marg, Mahim, Mumbai, Maharashtra, India. dr_crodrigues@hindujahospital.com

Clinics in Laboratory Medicine
|June 26, 2012
PubMed
Summary
This summary is machine-generated.

Rapid tuberculosis (TB) diagnosis is crucial for control programs. Implementing cost-effective diagnostic algorithms in peripheral labs improves patient outcomes and reduces healthcare costs.

Related Experiment Videos

Last Updated: May 21, 2026

A Tuberculosis Molecular Bacterial Load Assay (TB-MBLA)
10:41

A Tuberculosis Molecular Bacterial Load Assay (TB-MBLA)

Published on: April 30, 2020

Area of Science:

  • Microbiology
  • Public Health
  • Diagnostic Technologies

Background:

  • Delayed laboratory diagnosis of tuberculosis (TB) significantly hinders effective TB control initiatives.
  • Peripheral healthcare facilities require enhanced diagnostic capabilities for timely disease detection.

Purpose of the Study:

  • To emphasize the necessity of scaling up peripheral laboratories with advanced diagnostic tools for tuberculosis.
  • To advocate for the implementation of a cost-effective diagnostic algorithm for rapid TB diagnosis.

Main Methods:

  • Review of current diagnostic challenges in tuberculosis detection.
  • Analysis of the role of conventional and molecular technologies in peripheral settings.
  • Evaluation of cost-effectiveness in diagnostic algorithm implementation.

Main Results:

  • Scale-up of peripheral laboratories with both conventional and molecular technologies is essential for rapid and reliable TB diagnosis.
  • A structured, cost-effective diagnostic algorithm can significantly reduce the financial burden on patients.

Conclusions:

  • Implementing a cost-effective diagnostic algorithm is vital for improving tuberculosis diagnosis rates and patient accessibility.
  • Upgrading peripheral laboratories is a key strategy to overcome diagnostic delays in tuberculosis control programs.