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Related Concept Videos

Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

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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...
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Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

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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...
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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...
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Other Pulmonary Disorders01:17

Other Pulmonary Disorders

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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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Overview of Pulmonary Circulation01:19

Overview of Pulmonary Circulation

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The pulmonary circulation is a vital system in our body that acts as a bridge between the respiratory and cardiovascular systems. It serves as a transport network for deoxygenated blood from the heart to the lungs and then returns oxygen-rich blood back to the heart.
The process begins with the right ventricle of the heart pumping deoxygenated blood into the pulmonary trunk. This large vessel extends about 5 centimeters before splitting into the left and right pulmonary arteries. These arteries...
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Factors Affecting Pulmonary Ventilation01:19

Factors Affecting Pulmonary Ventilation

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Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
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Related Experiment Video

Updated: Feb 14, 2026

Detection of Invasive Pulmonary Aspergillosis in Haematological Malignancy Patients by using Lateral-flow Technology
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Detection of Invasive Pulmonary Aspergillosis in Haematological Malignancy Patients by using Lateral-flow Technology

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[Invasive pulmonary aspergillosis].

E Blanchard1, F Gabriel2, C Jeanne-Leroyer3

  • 1Service des maladies respiratoires, CHU de Bordeaux, 33604 Bordeaux, France.

Revue Des Maladies Respiratoires
|February 27, 2018
PubMed
Summary
This summary is machine-generated.

Invasive pulmonary aspergillosis (IPA) is a serious infection impacting many patients. Early diagnosis using biomarkers like galactomannan improves outcomes, though prognosis remains poor.

Keywords:
Antigène galactomannaneAspergillose invasiveAspergillusGalactomannanImmunocompromised hostImmunodépriméInvasive aspergillosisNeutropeniaNeutropénie

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Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Pulmonology

Background:

  • Invasive pulmonary aspergillosis (IPA) significantly contributes to patient morbidity and mortality.
  • Risk factors include neutropenia, solid organ transplant, immunosuppression, and ICU hospitalization.
  • Early recognition and diagnosis are critical for effective management.

Purpose of the Study:

  • To highlight the importance of early diagnosis in Invasive Pulmonary Aspergillosis.
  • To discuss current diagnostic strategies and emerging tools for IPA.
  • To emphasize the need for considering IPA in diverse patient populations.

Main Methods:

  • Diagnostic approaches combine clinical, biological, and CT scan evidence.
  • Conventional culture and species identification remain standard.
  • Biomarkers like serum or bronchoalveolar lavage galactomannan antigen aid early diagnosis.

Main Results:

  • Galactomannan antigen testing has improved early IPA diagnosis.
  • Despite diagnostic advancements, IPA prognosis remains challenging.
  • Epidemiology is evolving with new antifungal and targeted therapies.

Conclusions:

  • IPA requires consideration across a broad spectrum of patients.
  • Prognosis for IPA is still poor, necessitating continued research.
  • Novel microbiological tools like PCR and other biomarkers are under evaluation.