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Pulmonary Tuberculosis I

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 II

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 V

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...

Pulmonary Tuberculosis IV

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 III

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:

Sputum Studies II: Culture and Sensitivity

Sputum Studies II: Culture and Sensitivity

Description
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...

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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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Published on: September 5, 2017

Tuberculosis in a SARS outbreak.

Chak-Yen Wong¹, King-Ying Wong, Tse Sam Grace Law

¹Wong Tai Sin Hospital, Hong Kong, PROC. emmanuellewong@yahoo.com

Journal of the Chinese Medical Association : JCMA

|February 22, 2005

Summary

During a SARS outbreak, doctors misdiagnosed a girl with tuberculosis as having severe acute respiratory syndrome (SARS). This led to her SARS infection and liver dysfunction, highlighting the need for broad differential diagnoses.

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Area of Science:

Medicine
Infectious Diseases
Public Health

Background:

During a severe acute respiratory syndrome (SARS) outbreak, diagnostic focus on SARS can lead to overlooking other prevalent endemic diseases.
Misdiagnosis of SARS can have severe consequences for patient management and disease control.

Observation:

A young female patient with pulmonary tuberculosis was incorrectly diagnosed with SARS during an outbreak.
Due to single isolation not being feasible, she was housed with other SARS patients, leading to her contracting the virus.

Findings:

The patient developed SARS infection and experienced liver dysfunction due to combined treatment for both SARS and tuberculosis.
Despite the complications, the patient ultimately recovered without lasting adverse effects.

Implications:

This case underscores the critical importance of maintaining a broad differential diagnosis, even during a major outbreak of a specific disease.
Healthcare providers must remain vigilant against diagnostic overshadowing to ensure accurate patient care and prevent iatrogenic infections.