How is the clinical probability of pulmonary embolism (PE) determined?

Updated: Sep 18, 2020
  • Author: Daniel R Ouellette, MD, FCCP; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Evidence-based literature supports the practice of determining the clinical probability of pulmonary embolism before proceeding with testing. [3] One study assessed the performance of four4 clinical decision rules in addition to D-dimer testing to exclude acute PE. All four4 rules, Wells rule, simplified Wells rule, revised Geneva score, and simplified revised Geneva score, showed similar performance for excluding acute PE when combined with a normal D-dimer result. [46]

See the Guidelines section and the article Pulmonary Embolism Clinical Scoring Systems.

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