PulmonologyScore

4PEPS Score — Pulmonary Embolism Probability Pre-Test Score

A newer clinical probability score for pulmonary embolism (PE) that uses 4 clinical variables to stratify patients into low, intermediate, and high pre-test probability categories. 4PEPS was developed to simplify PE pre-test probability assessment compared to the Wells PE score while maintaining comparable diagnostic performance.

Parameters

Age

< 49 years (0 pts)+050–64 years (+3 pts)+3≥ 65 years (+6 pts)+6

Active Cancer

No active cancer (0 pts)+0Active cancer (+1 pt)+1

Prior DVT or Pulmonary Embolism

No prior DVT/PE (0 pts)+0Prior documented DVT or PE (+2 pts)+2

No Alternative Diagnosis More Likely Than PE

Alternative diagnosis more likely (e.g., CHF, pneumonia, musculoskeletal, GERD) (0 pts)+0No alternative diagnosis more likely (PE on shortlist) (+3 pts)+3

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