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Related Concept Videos

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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Pulmonary Tuberculosis II01:28

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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...
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Pulmonary Tuberculosis V01:28

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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 III01:31

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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:
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Pulmonary Tuberculosis IV01:26

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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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Tuberculosis on the flight deck.

A J Parmet1

  • 1Trans World Airlines, Kansas City, MO 64153, USA.

Aviation, Space, and Environmental Medicine
|August 14, 1999
PubMed
Summary

Tuberculosis transmission on airplanes is rare. A study found no new cases among 48 pilots exposed to an active tuberculosis case during flights, indicating low risk in aircraft cabins.

Area of Science:

  • Public Health
  • Epidemiology
  • Aviation Medicine

Background:

  • Concerns about tuberculosis transmission in aircraft cabins emerged after a 1995 incident.
  • Commercial airlines actively collaborate with public health agencies on tuberculosis exposure tracking.

Observation:

  • A commercial airline pilot diagnosed with active tuberculosis flew with 48 colleagues over six months.
  • All exposed pilots underwent tuberculosis screening, including purified protein derivative skin tests (IPPD) and chest X-rays.

Findings:

  • No skin test conversions or radiographic changes indicating new tuberculosis infections were observed among the exposed pilots.
  • This suggests that transmission of tuberculosis within an aircraft cabin environment is an infrequent occurrence, even with close contact.

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Implications:

  • The findings reinforce the low risk of tuberculosis transmission in commercial aircraft settings.
  • This data supports current public health protocols regarding air travel and infectious disease control.