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Related Concept Videos

Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

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Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
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Pulmonary Embolism I: Introduction01:19

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A blood clot, or thrombus, is a semi-solid mass composed of fibrin, platelets, and red blood cells. When it forms within a vessel, it can obstruct blood flow, known as thrombosis. If part of the clot detaches, it becomes an embolus that can travel and block distant vessels. When this occurs in the pulmonary arteries, it causes a condition known as pulmonary embolism (PE).Origin and ImpactMost often, the embolus originates from a thrombus in the deep veins of the lower limbs, a condition called...
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Pulmonary Embolism III: Nursing Management01:27

Pulmonary Embolism III: Nursing Management

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A pulmonary embolism occurs when a thrombus, amniotic fluid, tumor tissue, fat, or air embolus blocks one or more pulmonary arteries. Effective nursing management and patient education are crucial for improving outcomes and preventing recurrence.Nursing management starts with obtaining a comprehensive patient history, particularly noting any history of deep vein thrombosis (DVT). Assess for clinical manifestations, including dyspnea, chest pain, crackles, heart murmurs, and signs of right-sided...
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Cerebral Edema ll: Pathophysiology01:22

Cerebral Edema ll: Pathophysiology

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Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this...
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Pleural Effusion I: Introduction01:25

Pleural Effusion I: Introduction

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Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's...
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Pulmonary Edema II: Pathophysiology01:18

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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...
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Related Experiment Video

Updated: Apr 20, 2026

Modeling Encephalopathy of Prematurity Using Prenatal Hypoxia-ischemia with Intra-amniotic Lipopolysaccharide in Rats
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[Amniotic fluid embolism - review].

A Cerný, A Pařízek, P Simják

    Ceska Gynekologie
    |November 15, 2014
    PubMed
    Summary

    Amniotic fluid embolism (AFE) is a rare, life-threatening pregnancy complication. Prompt interdisciplinary care improves survival rates for this condition, which involves amniotic fluid entering maternal circulation.

    Area of Science:

    • Obstetrics and Gynecology
    • Critical Care Medicine
    • Immunology

    Context:

    • Amniotic fluid embolism (AFE) is a rare but highly fatal obstetric emergency.
    • It is a leading cause of maternal mortality in developed nations.
    • The pathophysiology involves amniotic fluid particles entering maternal circulation, triggering an immune response.

    Purpose:

    • To summarize the clinical presentation, pathophysiology, and management of amniotic fluid embolism.
    • To highlight the importance of interdisciplinary cooperation in treating AFE.
    • To discuss factors contributing to the declining mortality rates of AFE.

    Summary:

    • AFE presents with diverse symptoms, ranging from mild to severe, including cardiovascular collapse, respiratory distress, and hematological abnormalities.

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  • The underlying mechanism is thought to be an immune-mediated response to amniotic fluid components in the maternal circulation.
  • Effective management necessitates rapid, multidisciplinary intervention.

    • Impact:

    • Decreasing mortality rates in AFE are attributed to advancements in intensive care and better registration of less severe cases.
    • Improved understanding and management strategies are crucial for reducing maternal morbidity and mortality associated with AFE.
    • This summary emphasizes the critical need for timely and coordinated care in managing this obstetric emergency.