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Related Concept Videos

Atelectasis II: Pathophysiology01:10

Atelectasis II: Pathophysiology

Atelectasis develops when alveoli lose their air and collapse inward. Because lung tissue is naturally elastic, these air sacs shrink rather than remaining open. Collapsed alveoli are no longer ventilated, reducing their role in gas exchange. Blood flow may continue in these regions, creating a ventilation–perfusion mismatch. Clinical findings include decreased breath sounds, dullness to percussion, reduced chest expansion, and decreased tactile fremitus as sound transmission through collapsed...
Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
Pulmonary Edema II: Pathophysiology01:18

Pulmonary Edema II: Pathophysiology

Pulmonary edema is the accumulation of fluid in the interstitial and alveolar spaces of the lungs, impairing gas exchange and oxygen delivery. It may be cardiogenic or noncardiogenic, but both reduce oxygenation and lung compliance.Cardiogenic Pulmonary EdemaCardiogenic edema results from increased hydrostatic pressure in pulmonary capillaries, usually due to left ventricular dysfunction from myocardial infarction, heart failure, or valvular disease. Ineffective cardiac pumping causes blood to...
Chronic Obstructive Pulmonary Disease II: Emphysema01:23

Chronic Obstructive Pulmonary Disease II: Emphysema

Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:

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Updated: Jun 12, 2026

Halogenated Agent Delivery in Porcine Model of Acute Respiratory Distress Syndrome via an Intensive Care Unit Type Device
09:36

Halogenated Agent Delivery in Porcine Model of Acute Respiratory Distress Syndrome via an Intensive Care Unit Type Device

Published on: September 24, 2020

[Diffuse alveolar hemorrhage syndrome].

A G Chuchalin

    Terapevticheskii Arkhiv
    |June 23, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Diffuse alveolar hemorrhage syndrome (DAHS) presents with hemoptysis, dyspnea, and anemia. This review covers DAHS causes, lung morphology, diagnosis, and treatment strategies.

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    Published on: September 7, 2016

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    Last Updated: Jun 12, 2026

    Halogenated Agent Delivery in Porcine Model of Acute Respiratory Distress Syndrome via an Intensive Care Unit Type Device
    09:36

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    Lavage-induced Surfactant Depletion in Pigs As a Model of the Acute Respiratory Distress Syndrome (ARDS)
    07:20

    Lavage-induced Surfactant Depletion in Pigs As a Model of the Acute Respiratory Distress Syndrome (ARDS)

    Published on: September 7, 2016

    Area of Science:

    • Pulmonology
    • Internal Medicine
    • Pathology

    Background:

    • Diffuse alveolar hemorrhage syndrome (DAHS) is a critical condition characterized by bleeding into the lung alveoli.
    • It manifests clinically with hemoptysis, dyspnea, and anemia, often indicating an underlying systemic disease.
    • DAHS can arise from various etiological factors and clinical presentations.

    Discussion:

    • This paper details the diverse diseases and conditions associated with DAHS development.
    • It includes information on the morphological changes observed in lung tissue during DAHS.
    • Clinical signs, specific form variations, and diagnostic approaches are thoroughly examined.

    Key Insights:

    • Understanding the varied causes and clinical manifestations of DAHS is crucial for timely diagnosis.
    • Morphological analysis of lung tissue provides insights into the pathogenesis of alveolar bleeding.
    • Comprehensive diagnostic strategies, including laboratory and instrumental methods, are essential for effective management.

    Outlook:

    • Further research into the specific etiological pathways of DAHS may lead to targeted therapies.
    • Improved diagnostic accuracy can enhance patient outcomes and reduce morbidity.
    • A multidisciplinary approach to managing DAHS is recommended for optimal patient care.