Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

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...
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...
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Temporal trends and prognostic factors in critically ill adult patients with acute leukemia: an individual participant data meta-analysis.

Intensive care medicine·2026
Same author

Predictive validity of the identification of seniors at risk (ISAR) screening tool in a Turkish emergency department.

BMC geriatrics·2026
Same author

Comparative prognostic performance of identification of seniors at risk tool and national early warning score for 30-day adverse outcomes in older emergency department patients.

BMC emergency medicine·2026
Same author

A novel validated prognostic index for older patients in the emergency department: gazi index.

Current medical research and opinion·2026
Same author

Association of MASLD with Baseline and New-Onset Liver Function Test Elevation in Medical ICU Patients.

Medicina (Kaunas, Lithuania)·2025
Same author

Reliability of Alternative Sonographic Approaches for Inferior Vena Cava: Comparison of Subcostal, Transhepatic, and Coronal Windows.

The Journal of emergency medicine·2025
Same journal

Hypereosinophilic syndrome mimicking gastric malignancy: considerations on the challenging diagnosis-a case report and review of the literature.

Journal of medical case reports·2026
Same journal

Sequential transcatheter closure of sinus venosus and secundum atrial septal defects using covered stents and a septal occluder, a two-step strategy: a case report.

Journal of medical case reports·2026
Same journal

Management of acute cancer-related pain in a patient with opioid use disorder: a case report.

Journal of medical case reports·2026
Same journal

Newly diagnosed high-risk localized prostate cancer after multiple [177Lu]Lu-PSMA radioligand therapy in the context of metastatic parotid carcinoma: a case report.

Journal of medical case reports·2026
Same journal

Testicular malakoplakia in a middle-aged Han Chinese male: a case report and review of the literature.

Journal of medical case reports·2026
Same journal

Adult-onset multifocal retroperitoneal plexiform neurofibromas: a case report.

Journal of medical case reports·2026
See all related articles

Related Experiment Video

Updated: Jun 18, 2026

A Porcine Model of Acute Autologous Pulmonary Embolism
07:44

A Porcine Model of Acute Autologous Pulmonary Embolism

Published on: September 6, 2024

Pulmonary embolism presenting as syncope: a case report.

Ahmet Demircan, Gulbin Aygencel, Ayfer Keles

    Journal of Medical Case Reports
    |November 18, 2009
    PubMed
    Summary
    This summary is machine-generated.

    Pulmonary embolism (PE) can cause syncope, a sudden loss of consciousness. This case highlights the importance of considering PE in the differential diagnosis for unexplained syncope in emergency departments.

    Related Experiment Videos

    Last Updated: Jun 18, 2026

    A Porcine Model of Acute Autologous Pulmonary Embolism
    07:44

    A Porcine Model of Acute Autologous Pulmonary Embolism

    Published on: September 6, 2024

    Area of Science:

    • Cardiology
    • Pulmonology
    • Emergency Medicine

    Background:

    • Pulmonary embolism (PE) diagnosis is challenging due to non-specific symptoms.
    • Syncope has diverse causes, with a definitive etiology identified in only 58% of cases.
    • Linking syncope to PE is clinically difficult.

    Purpose of the Study:

    • To present a case of syncope caused by pulmonary embolism.
    • To review the pathophysiology and diagnostic considerations of PE-induced syncope.

    Main Methods:

    • Case report of a 26-year-old male presenting with syncope.
    • Literature review on PE pathophysiology and diagnostic strategies.

    Main Results:

    • The patient experienced syncope attributed to pulmonary embolism.
    • The review emphasizes diagnostic challenges and considerations for PE.

    Conclusions:

    • Pulmonary embolism must be included in the differential diagnosis for all syncopal events.
    • Early consideration of PE in syncope presentations can improve patient outcomes.