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Related Concept Videos

Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

311
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

472
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...
472
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

821
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...
821
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

262
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...
262
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

581
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:
581
Other Pulmonary Disorders01:17

Other Pulmonary Disorders

1.1K
Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
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Tuberculosis - United States, 2020.

Molly Deutsch-Feldman, Robert H Pratt, Sandy F Price

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    This summary is machine-generated.

    Tuberculosis (TB) cases dropped 20% in 2020, a significant decrease possibly due to missed diagnoses during the COVID-19 pandemic. Public health officials urge vigilance for persistent respiratory symptoms.

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    Area of Science:

    • Public Health
    • Infectious Disease Epidemiology

    Background:

    • Tuberculosis (TB) incidence has shown a steady decline since 1993 due to extensive public health efforts.
    • The year 2020 saw a provisional report of 7,163 TB cases in the U.S., a 20% reduction from 2019.

    Purpose of the Study:

    • To report the provisional number of TB cases in the U.S. during 2020.
    • To analyze the significant decrease in TB incidence and discuss potential contributing factors and implications.

    Main Methods:

    • Surveillance data from the CDC's National Tuberculosis Surveillance System (NTSS) for 2019 and 2020 were analyzed.
    • Incidence rates per 100,000 persons were calculated and compared between the two years.

    Main Results:

    • TB incidence decreased from 2.7 cases per 100,000 in 2019 to 2.2 cases per 100,000 in 2020.
    • This 20% reduction is steeper than the average annual decrease of 2%-3% observed since 2010.
    • Pandemic mitigation efforts and reduced travel are potential contributors to this decline.

    Conclusions:

    • The sharp, unexpected decrease in TB cases raises concerns about potentially missed or delayed diagnoses.
    • Healthcare providers are reminded to consider TB in patients with relevant symptoms, especially with negative SARS-CoV-2 tests.
    • Public awareness is encouraged regarding persistent respiratory symptoms requiring medical follow-up.