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Related Concept Videos

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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Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

819
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...
819
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

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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...
307
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

465
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...
465
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

577
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:
577
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

260
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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Related Experiment Video

Updated: Nov 10, 2025

Development of a Preclinical Inhalation Model to Test Vaporized Cannabis Distillates
06:09

Development of a Preclinical Inhalation Model to Test Vaporized Cannabis Distillates

Published on: May 30, 2025

424

Pulmonary actinomycosis and marijuana vaping.

Michelle Massey1, Joseph Barney2

  • 1School of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA mem0104@uab.edu.

BMJ Case Reports
|April 2, 2021
PubMed
Summary

A man with vaping history experienced lung inflammation caused by Actinomyces odontolyticus. Prompt treatment with antibiotics and steroids led to full recovery.

Keywords:
interstitial lung diseasepneumonia (infectious disease)public health

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Area of Science:

  • Pulmonology
  • Infectious Diseases
  • Microbiology

Background:

  • Vaping-associated lung injury is an emerging concern.
  • Actinomyces odontolyticus is a rare cause of pneumonia, typically associated with dental or oral infections.

Observation:

  • A 33-year-old man presented with chronic fatigue, weight loss, cough, and fever.
  • He reported daily marijuana vaping for one year.
  • Chest imaging showed diffuse ground-glass opacities with subpleural sparing.

Findings:

  • Bronchoscopy and biopsies revealed organizing pneumonia.
  • Cultures identified Actinomyces odontolyticus as the causative agent.
  • The patient had a history of similar undiagnosed illnesses.

Implications:

  • This case highlights a potential link between vaping and rare bacterial lung infections.
  • Actinomyces odontolyticus should be considered in the differential diagnosis of vaping-associated lung disease.
  • Early diagnosis and appropriate antimicrobial and anti-inflammatory treatment are crucial for favorable outcomes.