Deep vein thrombosis. Color duplex scan of DVT. Venogram shows DVT. Patient with suspect symptomatic Acute lower extremity DVT. negative. Venous duplex scan. Low clinical probability. observe. High clinical probability. positive. negative.
Acute lower extremity DVT
Venous duplex scan
Low clinical probability
High clinical probability
Evaluate coagulogram /thrombophilia/ malignancy
Repeat scan /
malignancy or thrombophilic state