mdcalc.com | Well’s Criteria for DVT

Equations

Active cancer?	Yes +1
Bedridden recently >3 days or major surgery within four weeks?	Yes +1
Calf swelling >3cm compared to the other leg?	Yes +1
Collateral (nonvaricose) superficial veins present?	Yes +1
Entire leg swollen?	Yes +1
Localized tenderness along the deep venous system?	Yes +1
Pitting edema, greater in the symptomatic leg?	Yes +1
Paralysis, paresis, or recent plaster immobilization of the lower extremity	Yes +1
Previously documented DVT?	Yes +1
Alternative diagnosis to DVT as likely or more likely?	Yes -2
Score	Points