Pulmonary embolism diagnostic approach
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Pulmonary Embolism Microchapters |
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Diagnosis |
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Pulmonary Embolism Assessment of Probability of Subsequent VTE and Risk Scores |
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Treatment |
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Follow-Up |
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Special Scenario |
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Trials |
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Case Studies |
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Pulmonary embolism diagnostic approach On the Web |
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Directions to Hospitals Treating Pulmonary embolism diagnostic approach |
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Risk calculators and risk factors for Pulmonary embolism diagnostic approach |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
The diagnostic approach to pulmonary embolism requires the initial assessment of the pretest probability of the disease.
Diagnosis Algorithm
| Assess the pretest probability of PE by using one of the risk score: - Wells score - Geneva score - PERC | |||||||||||||||||||||||||||||||||
| Low pretest probability of PE (Wells score ≤ 4) AND Absence of shock Absence of hypotension | High pretest probability of PE (Wells score) > 4 OR Presence of shock OR Presence of hypotension | ||||||||||||||||||||||||||||||||
| Order D-dimer | |||||||||||||||||||||||||||||||||
| Normal D-dimer (<500 ng/ml) | Elevated D-dimer (>500 ng/ml) | Order CT pulmonary angiography | |||||||||||||||||||||||||||||||
| PE is excluded | Negative | Positive | |||||||||||||||||||||||||||||||
| PE is excluded | PE is confirmed | ||||||||||||||||||||||||||||||||
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