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Pulmonary Embolism: A Practical Guide for the Busy Clinician
Pablo Demelo-Rodriguez1, Francisco Galeano-Valle1, Andrea Salzano2
1Venous Thromboembolism Unit, Internal Medicine, Hospital General Universitario Gregorio Marañón, Calle doctor Esquerdo, 46, Madrid 28007, Spain; Sanitary Research Institute Gregorio Marañón, Calle doctor Esquerdo, 46, Madrid 28007, Spain; Universidad Complutense de Madrid, School of Medicine, Spain.
Heart Failure Clinics
|June 7, 2020
Summary
Pulmonary embolism (PE) diagnosis relies on D-dimer tests and CT scans. Echocardiography offers a bedside alternative for diagnosing PE, with risk stratification crucial for stable patients.
Area of Science:
- Cardiology
- Pulmonary Medicine
- Diagnostic Imaging
Background:
- Acute pulmonary embolism (PE) is a significant cardiovascular emergency with increasing prevalence.
- D-dimer testing offers high negative predictive value, making PE unlikely with normal levels.
- Computed tomographic (CT) scans are definitive for PE diagnosis, but echocardiography provides a readily available, low-cost bedside option.
Purpose of the Study:
- To review diagnostic strategies for acute pulmonary embolism (PE).
- To highlight the utility of echocardiography as a bedside diagnostic tool for PE.
- To emphasize the importance of risk stratification in hemodynamically stable PE patients.
Main Methods:
- Literature review of diagnostic modalities for acute pulmonary embolism.
- Discussion of D-dimer's role in excluding PE.
- Analysis of echocardiography's accessibility and cost-effectiveness in PE diagnosis.
- Overview of risk stratification methods for stable PE patients.
Main Results:
- Normal D-dimer levels effectively rule out PE.
- Echocardiography is a valuable, accessible, and low-cost diagnostic procedure for PE.
- Risk stratification in stable PE patients involves clinical, imaging, and biomarker assessment.
Conclusions:
- Accurate diagnosis of PE requires a combination of D-dimer, CT scans, and potentially echocardiography.
- Echocardiography serves as a critical bedside tool for PE diagnosis.
- Comprehensive risk stratification is essential for managing hemodynamically stable PE patients.
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