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Related Concept Videos

Pulmonary Tuberculosis II01:28

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 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:
Other Pulmonary Disorders01:17

Other Pulmonary Disorders

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.
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 V01:28

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 progression...
Giardiasis01:12

Giardiasis

Giardiasis is a globally prevalent intestinal infection caused by the protozoan parasite Giardia duodenalis (also known as G. lamblia or G. intestinalis). This flagellated protozoan is the most frequently identified intestinal parasite in the United States and worldwide. Transmission primarily occurs via the fecal-oral route, with infection arising from ingestion of water or food contaminated with cysts. Individuals in low-resource settings, international travelers, outdoor enthusiasts, daycare...

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Related Experiment Video

Updated: Jun 14, 2026

Experimental Infection of Mice with the Parasitic Nematode Strongyloides ratti
10:12

Experimental Infection of Mice with the Parasitic Nematode Strongyloides ratti

Published on: January 17, 2025

Pulmonary strongyloidiasis.

B Jayaprakash1, S Sandhya, K Anithakumari

  • 1Department of Pulmonary Medicine, Medical College, Thiruvananthapuram, Kerala 695011.

The Journal of the Association of Physicians of India
|March 25, 2010
PubMed
Summary
This summary is machine-generated.

Strongyloides hyperinfection syndrome can mimic lung conditions like asthma. Early diagnosis of this parasitic infection is crucial for effective treatment and recovery.

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Area of Science:

  • Medical Mycology
  • Parasitology
  • Pulmonology

Background:

  • Strongyloides hyperinfection syndrome (SHS) is a severe condition often seen in immunocompromised individuals.
  • Pulmonary manifestations of SHS can mimic other respiratory diseases, complicating diagnosis.

Observation:

  • A case of uncontrolled asthma presenting with fever and hemoptysis was investigated.
  • Initial CT scans suggested malignancy, highlighting diagnostic challenges.
  • Sputum examination revealed Strongyloides stercoralis larvae.

Findings:

  • The patient, despite lacking overt immunosuppression, had SHS.
  • Diagnosis was confirmed by identifying Strongyloides larvae in sputum.
  • Complete recovery was achieved following appropriate antiparasitic treatment.

Implications:

  • This case underscores the importance of considering SHS in patients with respiratory symptoms, even without clear immunosuppression.
  • Diagnostic vigilance is key, as parasitic infections can present atypically.
  • Timely identification and treatment of Strongyloides are vital for favorable outcomes in pulmonary infections.