Blood clot in deep veins of leg or arm
Expansion
Deep Vein Thrombosis
Purpose
Risk for pulmonary embolism; diagnosed on duplex ultrasound
Clinical Context
Deep vein thrombosis risk factors include immobility, hypercoagulability, malignancy, recent surgery. Ultrasound non-compressible vein equals deep vein thrombosis. Inferior vena cava filter considered if pulmonary embolism while anticoagulated.
Related Terms
- Pulmonary embolism
- Thrombosis
Key Points
- Deep vein thrombosis shows lack of compressibility on ultrasound, absent Doppler flow; greater than 5 millimetres diameter vein required to assess