ProtoMD← Back to ProtoMD
Clinical Calculator Pulmonology V1.0

Wells Score

Clinical Probability of Pulmonary Embolism
Primary Reference
Wells PS, et al.
Thromb Haemost 2000; 83:416–420
Clinical Criteria
1. Clinical Signs/Symptoms of DVT
Leg swelling, pain with palpation of deep veins
2. PE Most Likely Diagnosis
Or equally likely as alternative
3. Heart Rate > 100
4. Immobilization (≥3d) or Surgery (≤4wk)
5. Previous DVT/PE
6. Hemoptysis
7. Active Malignancy
Treatment within 6mo or palliative

Analysis Required

Enter patient parameters to calculate
PE probability.