Table 1 Wells Score for Clinical Risk Deep Vein Thrombosis
From: Vena cava inferior thrombosis detected by venous hum: a case report
Active cancer (1 point) |
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Paralysis, paresis, or recent plaster immobilization of the lower extremity (1 point) |
Recently bedridden for more than three days or major surgery within four weeks (1 point) |
Localized tenderness along the distribution of the deep venous system (1 point) |
Entire leg swollen (1 point) |
Calf swelling by more than 3 cm when compared with the asymptomatic leg (1 point) |
Pitting edema -greater in the symptomatic leg (1 point) |
Collateral superficial veins-non-varicose (1 point) |
Alternative diagnosis as likely or more possible than that of DVT (-2 points) |