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Related Concept Videos

Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

242
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...
242
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

179
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...
179
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

142
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...
142
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

325
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:
325
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

228
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...
228
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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Tuberculosis - United States, 2023.

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    Tuberculosis (TB) cases in the U.S. declined in 2020 but have risen annually since then. Provisional 2023 data show a 16% increase in TB cases, underscoring the need for continued public health efforts.

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    Area of Science:

    • Public Health
    • Epidemiology
    • Infectious Disease Surveillance

    Background:

    • U.S. tuberculosis (TB) case counts had been declining for 27 years before a notable drop in 2020, coinciding with the COVID-19 pandemic.
    • Despite a historical downward trend, TB cases have shown a consistent annual increase since 2020.

    Purpose of the Study:

    • To analyze recent trends in U.S. tuberculosis (TB) case counts and rates.
    • To identify demographic and geographic patterns in the post-2020 TB resurgence.

    Main Methods:

    • TB case data were sourced from the National TB Surveillance System.
    • U.S. Census Bureau population estimates were utilized to calculate TB rates by jurisdiction, birth origin, race/ethnicity, and age group.

    Main Results:

    • Provisional 2023 data reported 9,615 TB cases, a 16% increase from 2022, with rates rising to 2.9 per 100,000 persons.
    • Increases in both case counts and rates were observed across all age groups and for both U.S.-born and non-U.S.-born populations.
    • Forty states and the District of Columbia reported higher TB case counts and rates in 2023 compared to 2022.

    Conclusions:

    • The post-2020 increase in U.S. TB cases highlights the critical need to maintain and enhance TB control and prevention strategies.
    • Continued engagement with high-risk communities and healthcare providers is essential for TB elimination efforts.
    • Strengthening public health program capacity is vital to address the resurgence of tuberculosis in the United States.