Wells Score for PE Calculator

Calculate the Wells score for pulmonary embolism (PE) probability using clinical prediction criteria.

Medical Disclaimer

This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.

Inputs

Clinical Signs of DVT

PE Most Likely Diagnosis

Heart Rate > 100 bpm

Immobilization / Surgery

Previous DVT/PE

Hemoptysis

Malignancy

Tab to move between fields

Results

Wells Score

0pts

Risk (3-Tier)

1(1=Low, 2=Moderate, 3=High)

PE Prevalence1.3%

PE Likely (2-Tier)0(0=Unlikely, 1=Likely)

How to Use This Calculator

Enter 0 or 1 for each Wells PE criterion (DVT signs, HR > 100, immobilization, prior DVT/PE, hemoptysis, malignancy, PE most likely).
Review Wells PE Score and pre-test probability — use to guide CTPA vs. D-dimer decision.
Score ≤ 4 with negative D-dimer has high negative predictive value for PE.

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