Wells score for PE (original)

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Editor(s)-In-Chief: The APEX Trial Investigators, C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Kashish Goel, M.D.;Kristin Feeney, B.S. [2]

Wells score Calculator

This handy calculator computes the pre-test probability of pulmonary embolism using Wells criteria. Check all boxes that apply to your patient:


Pulmonary Embolism Wells Score Calculator
Variable Score
Clinically suspected DVT (leg swelling, pain with palpation) 3
Alternative diagnosis is less likely than PE 3
Immobilization/surgery in previous four weeks 1.5
Previous history of DVT or PE 1.5
Tachycardia (heart rate more than 100 bpm) 1.5
Hemoptysis 1
Malignancy (treatment for within 6 months, palliative) 1
Wells Score:
Interpretation:



Interpretation

  • Score:
    • <2.0 - Low probability of PE; Consider checking D-dimer
    • 2.0 to 6.0 - Moderate probability of PE; Consider checking D-dimer
    • >6.0 - High probability of PE; Consider imaging of the pulmonary arteries