Wells’ Criteria for Pulmonary Embolism / PE

Calculates Wells' Score for risk of PE.

Clinical Signs and Symptoms of DVT? +3
PE Is #1 Diagnosis, or Equally Likely +3
Heart Rate > 100? +1.5
Immobilization at least 3 days, or Surgery in the Previous 4 weeks +1.5
Previous, objectively diagnosed PE or DVT? +1.5
Hemoptysis? +1
Malignancy w/ Treatment within 6 mo, or palliative? +1
Patient has none of these
Score








The NNT : Quick Summaries of Evidence-Based Medicine