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Related Concept Videos

Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

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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...
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Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

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

Transmission-based Precautions II: Airborne and Protective Environment

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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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Standard Precaution01:26

Standard Precaution

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Standard precautions are the minimum infection control safeguards used while caring for all patients, irrespective of their disease condition. They help prevent the spread of common infectious microorganisms to healthcare workers, patients, and visitors in all healthcare settings.
Hand hygiene is the most crucial means to prevent the transmission of disease. Employers are legally required to provide their workers with personal protective equipment (PPE) to minimize exposure or contact with...
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Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

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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...
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Transmission-based Precautions I: Contact, Enteric, and Droplets01:17

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Transmission-based precautions are for patients known to be infected or suspected to be infected or colonized with organisms that pose a significant risk to others. Some transmission-based precautions include contact, enteric, and droplet.
Contact Precautions:
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An Automated Culture System for Use in Preclinical Testing of Host-Directed Therapies for Tuberculosis
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Tuberculosis infection prevention and control.

Malay Sarkar1

  • 1Department of Pulmonary Medicine, Indira Gandhi Medical College, Shimla, Himachal Pradesh, India.

The Indian Journal of Tuberculosis
|July 24, 2025
PubMed
Summary
This summary is machine-generated.

Tuberculosis (TB) is a major global infectious killer. This review details strategies for preventing TB transmission in healthcare settings, focusing on administrative, environmental, and respiratory controls.

Keywords:
Air-change ratioDroplet nucleiTransmissionTuberculosisUltraviolet germicidal irradiationWells-Riley equation

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Area of Science:

  • Public Health
  • Infectious Diseases
  • Epidemiology

Background:

  • Tuberculosis (TB) ranks as the second leading infectious cause of death globally, surpassed only by COVID-19.
  • TB is primarily airborne, transmitted via droplet nuclei (1-5 μm).
  • Healthcare-associated TB transmission is a documented concern, necessitating robust prevention strategies.

Purpose of the Study:

  • To review and discuss various strategies for Tuberculosis infection prevention and control (IPC).
  • To highlight the importance of preventing TB transmission within healthcare settings.
  • To outline the hierarchy of controls for TB IPC.

Main Methods:

  • This review synthesizes existing evidence on TB transmission and control measures.
  • It examines strategies based on the established hierarchy of controls.
  • Focus is placed on administrative controls, environmental controls, and respiratory protection.

Main Results:

  • Healthcare settings are significant sites for TB transmission.
  • Effective TB IPC requires a multi-faceted approach.
  • The hierarchy of controls provides a framework for implementing TB prevention strategies.

Conclusions:

  • Implementing comprehensive TB infection prevention and control strategies is crucial for reducing transmission in healthcare settings.
  • A combination of administrative, environmental, and respiratory protective measures is essential.
  • Continued focus on these controls supports the global goal of TB elimination.