Clinical features | Score (points) |
---|---|
Clinical signs and symptoms of DVT (objectively measured leg swelling and pain with palpation in deep vein system) | 3.0 |
Heart rate > 100 beats/min | 1.5 |
Immobilization ≥ 3 consecutive days (bedrest except to access bathroom) or surgery in previous 4 wk | 1.5 |
Previous objectively diagnosed PE or DVT | 1.5 |
Hemoptysis | 1.0 |
Malignancy (cancer patients receiving treatment within 6 mo or receiving palliative treatment) | 1.0 |
PE as likely as or more likely than alternative diagnosis (based on history, physical examination, chest radiograph, electrocardiogram, and blood tests) | 3.0 |
↵* According to Wells et al. (12).
Score: <2.0, low probability; 2.0–6.0, moderate probability; >6.0, high probability.