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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 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 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...
Tuberculosis01:23

Tuberculosis

Tuberculosis (TB) remains a significant global health concern, primarily targeting the lungs and spreading through airborne transmission. Infection begins when aerosolized droplet nuclei, expelled by an individual with active TB, are inhaled by another person. These microscopic particles carry Mycobacterium tuberculosis, the causative agent of TB. Upon reaching the alveoli, the bacilli are engulfed by alveolar macrophages. However, due to their specialized lipid-rich cell wall, these pathogens...

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Related Experiment Video

Updated: Jun 25, 2026

A Suction Blister Protocol to Study Human T-cell Recall Responses In Vivo
11:17

A Suction Blister Protocol to Study Human T-cell Recall Responses In Vivo

Published on: August 11, 2018

Evaluation of a tuberculosis skin testing program.

Pamela Kahn1

  • 1Health and Wellness, Orange County Department of Education, Costa Mesa, CA, USA.

The Journal of School Nursing : the Official Publication of the National Association of School Nurses
|February 7, 2009
PubMed
Summary
This summary is machine-generated.

A public school tuberculosis (TB) skin-testing program did not identify infectious TB cases or link positive tests to student ethnicity. The program also resulted in financial losses for the school district due to missed instructional days.

Related Experiment Videos

Last Updated: Jun 25, 2026

A Suction Blister Protocol to Study Human T-cell Recall Responses In Vivo
11:17

A Suction Blister Protocol to Study Human T-cell Recall Responses In Vivo

Published on: August 11, 2018

Area of Science:

  • Public Health
  • Epidemiology
  • Infectious Disease Control

Background:

  • Tuberculosis (TB) decline is slowing in the U.S., with diagnosis disparities noted between U.S.-born and foreign-born individuals, and between racial groups.
  • Identifying high-risk individuals, including children and adolescents, is crucial for TB elimination efforts.
  • School-based screening programs are one approach to identify infectious TB.

Purpose of the Study:

  • To evaluate the efficacy of a public school district's tuberculosis (TB) skin-testing program in diagnosing infectious TB.
  • To assess the financial impact of the TB screening program on the school district.
  • To analyze the correlation between student ethnicity and positive TB skin test results.

Main Methods:

  • Evaluation of a public school district's tuberculosis (TB) skin-testing program.
  • Analysis of program data for identification of infectious TB cases.
  • Assessment of financial records related to school days missed during the screening process.
  • Statistical analysis of the relationship between ethnicity and positive TB skin test results.

Main Results:

  • The TB skin-testing program failed to identify any cases of infectious tuberculosis.
  • No statistically significant correlation was found between positive TB skin test results and student ethnicity.
  • The school district incurred financial losses due to state funding reductions associated with student absenteeism during the screening.

Conclusions:

  • The evaluated school-based TB skin-testing program was not effective in diagnosing infectious TB or identifying high-risk students based on ethnicity.
  • The program resulted in a negative financial impact on the school district.
  • Alternative strategies may be needed to effectively screen for TB in school settings and mitigate financial repercussions.