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 II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

746
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...
746
Pulmonary Embolism III: Nursing Management01:27

Pulmonary Embolism III: Nursing Management

750
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...
750
Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

1.5K
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...
1.5K
Pulmonary Embolism I: Introduction01:19

Pulmonary Embolism I: Introduction

34
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...
34
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

716
Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
716
Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

987
Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
987

You might also read

Related Articles

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

Sort by
Same author

Is Broader Better? Piperacillin/Tazobactam, Cefepime, and the Risk of Harm: December 2024 Annals of Emergency Medicine Journal Club.

Annals of emergency medicine·2024
Same author

Prediction of blunt traumatic injury in high-acuity patients: bedside examination vs computed tomography.

The American journal of emergency medicine·2010
See all related articles

Related Experiment Video

Updated: Apr 26, 2026

A Porcine Model of Acute Autologous Pulmonary Embolism
07:44

A Porcine Model of Acute Autologous Pulmonary Embolism

Published on: September 6, 2024

983

Pulmonary embolism workup in five steps.

Clay B Smith1

  • 1Emergency Medicine, Vanderbilt University, Nashville, TN. clay.smith@vanderbilt.edu.

Academic Emergency Medicine : Official Journal of the Society for Academic Emergency Medicine
|July 22, 2014
PubMed
Summary
This summary is machine-generated.

A new mnemonic, PQRsTU, simplifies pulmonary embolism (PE) diagnosis and management. This structured approach aids clinicians in systematically evaluating and treating PE patients, potentially avoiding unnecessary imaging.

More Related Videos

Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots
08:02

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

Published on: October 25, 2024

983
Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
09:22

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

Published on: November 4, 2015

11.7K

Related Experiment Videos

Last Updated: Apr 26, 2026

A Porcine Model of Acute Autologous Pulmonary Embolism
07:44

A Porcine Model of Acute Autologous Pulmonary Embolism

Published on: September 6, 2024

983
Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots
08:02

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

Published on: October 25, 2024

983
Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
09:22

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

Published on: November 4, 2015

11.7K

Area of Science:

  • Medical Diagnostics
  • Clinical Decision-Making
  • Cardiopulmonary Medicine

Background:

  • Pulmonary embolism (PE) diagnosis involves complex clinical decision rules.
  • Computed tomography (CT) is often used but involves cost, radiation, and contrast risks.
  • Accurate risk stratification is crucial for appropriate PE treatment and patient disposition.

Purpose of the Study:

  • To introduce a simple, memorable mnemonic (PQRsTU) for the PE workup.
  • To provide a structured, evidence-based approach to PE evaluation and management.
  • To aid clinicians in safely and efficiently diagnosing and treating PE.

Main Methods:

  • The PQRsTU mnemonic outlines five key phases: PERC (PE Rule-Out Criteria), Quantify (D-dimer or imaging), Risk stratification, Treatment, and Unit (disposition).
  • This framework integrates existing clinical decision rules into a systematic workflow.
  • The mnemonic aims to streamline the diagnostic and management process for PE.

Main Results:

  • The PQRsTU mnemonic offers a simplified, systematic method for PE workup.
  • It guides clinicians through crucial decision points, from initial assessment to disposition.
  • This structured approach can enhance the efficiency and safety of PE management.

Conclusions:

  • The PQRsTU mnemonic provides a practical tool for clinicians managing pulmonary embolism.
  • Implementing this structured approach can lead to more consistent and evidence-based patient care.
  • This mnemonic facilitates a systematic evaluation, improving the management of PE patients.