Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Pulmonary Embolism I: Introduction

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: Introduction

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 Care

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 Management

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...

Venous Thrombosis I: Introduction

Venous Thrombosis I: Introduction

Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...

Pneumothorax-I

Pneumothorax-I

A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.

You might also read

Related Articles

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

Sort by

Same author

Esophageal Sonography: A Review of the Utility of Ultrasound in Clinical Esophagology.

Clinical and translational gastroenterology·2026

Same author

AI as a Safety Net Reader for Mammograms Classified as Normal or Benign in the French Screening Program.

Radiology. Artificial intelligence·2026

Same author

Real world experience of intraoperative radiation therapy (IORT) during lumpectomy for early-stage breast cancer: retrospective data from a single large institutional observational study.

Breast cancer (Tokyo, Japan)·2026

Same author

A prospective trial for breast cancer diagnosis by canine odorology.

Nature communications·2025

Same author

Endocrine therapy increases risk of fat necrosis risk after lumpectomy and intraoperative radiation therapy in early-stage breast cancer.

The British journal of radiology·2025

Same author

Digital Breast Tomosynthesis False-Positive Screenings: Artificial Intelligence and Radiologists Recall Different Patients and Flag Different Lesions.

AJR. American journal of roentgenology·2025

Search research articles

Related Experiment Video

Updated: May 25, 2026

A Porcine Model of Acute Autologous Pulmonary Embolism

A Porcine Model of Acute Autologous Pulmonary Embolism

Published on: September 6, 2024

Nonthrombotic pulmonary embolism.

Alla Khashper¹, Federico Discepola, John Kosiuk

¹Department of Radiology, McGill University Health Centre, Royal Victoria Hospital, 687 Pine Ave W, Montreal, PQ, H3H 1A1, Canada.

AJR. American Journal of Roentgenology

|January 24, 2012

Summary

This summary is machine-generated.

Nonthrombotic pulmonary embolism, though rare, presents diagnostic challenges due to non-specific symptoms and imaging. Recognizing specific imaging features is crucial for accurate diagnosis and effective patient management.

More Related Videos

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

Published on: November 4, 2015

Related Experiment Videos

Last Updated: May 25, 2026

A Porcine Model of Acute Autologous Pulmonary Embolism

A Porcine Model of Acute Autologous Pulmonary Embolism

Published on: September 6, 2024

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

Published on: November 4, 2015

Area of Science:

Radiology
Pulmonary Medicine
Pathology

Background:

Nonthrombotic pulmonary embolism (NTPE) is an uncommon cause of pulmonary vasculature obstruction.
Causes of NTPE are diverse and can represent serious underlying pathologies.

Purpose of the Study:

To delineate the clinical manifestations of various types of NTPE.
To describe characteristic imaging findings associated with different NTPE etiologies.

Main Methods:

Review of clinical case presentations.
Analysis of radiological imaging (e.g., CTPA, MRI).

Main Results:

NTPE exhibits a wide range of clinical presentations.
Specific imaging patterns correlate with distinct causes of NTPE.

Conclusions:

NTPE is a rare but potentially fatal condition.
Diagnostic difficulty arises from nonspecific clinical and imaging findings.
Familiarity with NTPE imaging features aids diagnosis and patient care.