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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 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...
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...
Documentation in Long-Term and Home Healthcare Setting01:29

Documentation in Long-Term and Home Healthcare Setting

Documentation in long-term care facilities and home healthcare settings is crucial for ensuring continuous, coordinated, and comprehensive care for patients. Each setting has its specific documentation processes and tools:
Long-Term Care Facilities

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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

Tuberculosis outbreak in a long-term care facility.

Nashira J Khalil1, Julie A Kryzanowski, Nicola J Mercer

  • 1Public Health Agency of Canada, Ottawa, Ontario. nashira.khalil@phac-aspc.gc.ca

Canadian Journal of Public Health = Revue Canadienne De Sante Publique
|April 27, 2013
PubMed
Summary
This summary is machine-generated.

An outbreak of tuberculosis (TB) in an Ontario long-term care facility highlights the risk to elderly populations. Prompt investigation and interventions like screening and improved ventilation are crucial for preventing TB transmission in these settings.

Keywords:
Epidemiologylong-term careoutbreakstuberculosis

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
  • Geriatric Medicine

Background:

  • Tuberculosis (TB) historically caused significant morbidity and mortality in Canada.
  • Elderly individuals in long-term care (LTC) facilities are at high risk for TB.
  • Atypical presentations in older adults can lead to delayed diagnosis of active TB.

Purpose of the Study:

  • To report on a tuberculosis outbreak in an Ontario Residential and Long-Term Care (LTC) facility.
  • To identify risk factors and transmission dynamics within the LTC setting.
  • To emphasize the importance of TB control measures in vulnerable populations.

Main Methods:

  • Case finding utilized a concentric circle approach with three rounds of tuberculin skin testing.
  • Laboratory analysis was performed by Public Health Ontario Laboratories.
  • Indoor air quality assessment evaluated engineering controls as potential transmission risks.

Main Results:

  • An initial active pulmonary TB case in a staff member led to the identification of 3 additional active cases and 24 latent TB infections among residents and staff.
  • Genotyping confirmed a single identical strain responsible for all four active TB cases.
  • Suboptimal air exchange rates below guidelines were detected in 9 of 15 tested locations within the facility.

Conclusions:

  • Early reporting and prompt epidemiologic investigation were key to managing the outbreak.
  • TB outbreaks remain a concern in LTC facilities, even in low-incidence areas, due to the vulnerability of elderly residents.
  • Recommendations include baseline/annual TB screening for residents and staff, early diagnosis, and ensuring adequate facility ventilation to mitigate TB incidence.