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Related Concept Videos

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:
Rocky Mountain Spotted Fever01:26

Rocky Mountain Spotted Fever

Rocky Mountain Spotted Fever (RMSF) is a severe tick-borne illness caused by Rickettsia rickettsii, a Gram-negative, coccobacillary bacterium. This pathogen is an obligate intracellular parasite, requiring a host cell for replication. Transmission occurs through the bite of an infected tick. In the United States, the most important vectors are Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick), though other tick species may also serve as vectors.
Toxoplasmosis01:28

Toxoplasmosis

Toxoplasmosis, a zoonotic disease caused by the protozoan Toxoplasma gondii, poses significant public health challenges globally due to its high seroprevalence and varied clinical manifestations. As an obligate intracellular parasite, T. gondii can infect all warm-blooded vertebrates, but felids are its only definitive hosts, shedding unsporulated oocysts into the environment. Humans typically acquire the infection through ingestion of tissue cysts in undercooked meat or oocysts from...
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...
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 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...

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Intratracheal Inoculation of Fischer 344 Rats with Francisella tularensis
06:09

Intratracheal Inoculation of Fischer 344 Rats with Francisella tularensis

Published on: September 30, 2017

Tularemia.

K K Carlson

    Canadian Family Physician Medecin De Famille Canadien
    |February 3, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Tularemia, a bacterial infection endemic in Nevada, can cause severe symptoms like swollen lymph nodes and flu-like illness. Early diagnosis and streptomycin treatment are crucial for recovery from this often-overlooked disease.

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    Published on: September 30, 2017

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    Trichuris muris Infection: A Model of Type 2 Immunity and Inflammation in the Gut

    Published on: May 24, 2011

    Area of Science:

    • Infectious Diseases
    • Bacteriology
    • Public Health

    Background:

    • Tularemia is an infectious disease caused by Francisella tularensis.
    • It is endemic in certain regions, including Nevada.
    • Tularemia can present with various clinical forms, with the ulceroglandular form being most common in humans.

    Purpose of the Study:

    • To highlight tularemia as an important differential diagnosis in patients presenting with specific symptoms after visiting endemic areas.
    • To emphasize the diagnostic challenges due to typically negative cultures.
    • To outline the recommended treatment for tularemia.

    Main Methods:

    • Case presentation of a 37-year-old woman with symptoms after a camping trip.
    • Clinical diagnosis based on symptoms including enlarged lymph nodes, skin pustules, ulcers, and systemic signs.
    • Consideration of endemic disease prevalence in diagnostic workup.

    Main Results:

    • The patient developed generalized symptoms and required hospitalization.
    • The diagnosis of tularemia was considered based on the clinical presentation and travel history.
    • Francisella tularensis requires cysteine for growth, often leading to negative cultures.

    Conclusions:

    • Tularemia should be considered in patients with characteristic symptoms after visiting endemic areas like Nevada.
    • Prompt diagnosis and treatment with streptomycin are essential for managing tularemia.
    • Understanding the clinical presentation and diagnostic nuances is key for effective patient care.