Wells score for PE (original)

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 calculates the pre-test probability of pulmonary embolism using Wells criteria. Check all boxes that apply to the 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