Revised Criteria for DVT Evaluating for Suspected Deep Vein Thrombosis

• active cancer?

• paralysis, paresis or recent plaster immobilization of the lower extremities?

• a history of being recently bedridden for >= 3 days?

• a history of major surgery within the previous 12 weeks?

• localized tenderness along the distribution of the deep venous system?

• swelling of the entire leg?

• pitting edema confined to the symptomatic leg?

• collateral superficial veins that are nonvaricose?

• a history of a previously documented deep vein thrombosis?

Circumference of the symptomatic leg measured 10 cm below the tibial tuberosity

Circumference of the asymptomatic leg measured 10 cm below the tibial tuberosity

Is the D-dimer test positive?

Alternative diagnosis