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Related Concept Videos

Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

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...
Pulmonary Embolism I: Introduction01:19

Pulmonary Embolism I: Introduction

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...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
Pulmonary Embolism III: Nursing Management01:27

Pulmonary Embolism III: Nursing Management

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...
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...
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...

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Related Experiment Video

Updated: Jul 14, 2026

A Porcine Model of Acute Autologous Pulmonary Embolism
07:44

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Published on: September 6, 2024

Acute pulmonary embolism: a review.

J A Saleh1, C Shovlin, D D Alasia

  • 1School of Postgraduate Medicine, Imperial College, Hammersmith Hospital, London. drjalals@yahoo.com

Nigerian Journal of Medicine : Journal of the National Association of Resident Doctors of Nigeria
|June 15, 2007
PubMed
Summary

Pulmonary embolism (PE) is a serious condition requiring prompt diagnosis and treatment. Identifying risk factors and implementing hospital protocols are crucial for managing PE effectively and reducing mortality.

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A Porcine Model of Acute Autologous Pulmonary Embolism
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Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots
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Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots

Published on: October 25, 2024

Area of Science:

  • Medical Science
  • Clinical Medicine
  • Cardiopulmonary Medicine

Background:

  • Pulmonary embolism (PE) is a prevalent clinical condition with significant morbidity and mortality if untreated.
  • Early diagnosis and treatment protocols are essential due to the high risks associated with undiagnosed or poorly managed PE.
  • This review focuses on identifying PE risk factors and outlining optimal management strategies.

Purpose of the Study:

  • To review and highlight the key risk factors associated with pulmonary embolism (PE).
  • To discuss and delineate the optimal management modalities for patients diagnosed with PE.
  • To emphasize the importance of risk assessment and clinical protocols in PE management.

Main Methods:

  • A comprehensive literature review was conducted using major medical databases (Science Direct, Medline, Embase).
  • Search terms included pulmonary embolism, deep venous thrombosis (DVT), venous thromboembolism (VTE), and thrombophilia.
  • Information was supplemented by data from authoritative websites like the British Thoracic Society and NHLBI.

Main Results:

  • Predisposing factors for PE include hypercoagulability, venous stasis, and local trauma to the vessel wall.
  • Heparin remains the cornerstone of PE therapy, necessitating careful diagnostic approaches to avoid unwarranted anticoagulant use due to bleeding risks.
  • Optimal diagnostic strategies are crucial to guide appropriate and timely treatment.

Conclusions:

  • The review successfully identified critical risk factors and management strategies for pulmonary embolism.
  • Patients presenting with predisposing factors and clinical suspicion for PE require management aligned with established hospital protocols.
  • Adherence to protocols ensures timely diagnosis and adequate treatment, improving patient outcomes.