Wells Criteria for PE

Predicts probability of pulmonary embolism (PE) to guide diagnostic testing strategy (D-dimer, CT angiography, or ventilation-perfusion scan).

Clinical Signs of DVT (minimum leg swelling and pain with palpation) *

Clinical Signs of DVT (minimum leg swelling and pain with palpation)

3 points; objective swelling and tenderness

PE is #1 Diagnosis OR Equally Likely *

PE is #1 Diagnosis OR Equally Likely

3 points; based on clinical gestalt

Heart Rate > 100 bpm *

Heart Rate > 100 bpm

1.5 points

Immobilization >= 3 Days or Surgery in Previous 4 Weeks *

Immobilization >= 3 Days or Surgery in Previous 4 Weeks

1.5 points

Prior DVT or PE *

Prior DVT or PE

1.5 points

Hemoptysis *

Hemoptysis

1 point

Malignancy (Treatment within 6 months or palliative) *

Malignancy (Treatment within 6 months or palliative)

1 point

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