Wells’ Criteria for Pulmonary Embolism

A clinical prediction rule to estimate the probability of acute pulmonary embolism (PE).

Clinical symptoms of DVT (leg swelling, pain with palpation): (3 points)

Other diagnosis less likely than PE: (3 points)

Heart rate > 100 bpm: (1.5 points)

Immobilization (≥ 3 days) or surgery in previous 4 weeks: (1.5 points)

Previous DVT or PE: (1.5 points)

Hemoptysis: (1 point)

Malignancy (on treatment, treated within 6 months, or palliative): (1 point)

Your Wells’ Criteria Score: 0