What is deep venous thrombosis?
A person with a deep venous thrombosis has a blood clot in a vein, usually in the leg. Thrombosis is a term used to describe the formation of a blood clot. A deep venous thrombosis is a blood clot that forms in a large, deep vein of the leg, thigh or pelvis. Rarely, a deep venous thrombosis can form in the arms. Factors that can lead to deep venous thrombosis include hip fracture, hip surgery, prolonged bedrest, and periods of prolonged sitting in one place. About 250,000 people are admitted to the hospital for deep venous thrombosis every year in the US.

What are the symptoms of deep venous thrombosis?
The most common symptom of deep venous thrombosis is swelling in one leg. Swelling starts in the foot and calf, but can also involve the thigh. Other symptoms include calf pain, leg pain, and warmth over the skin of the leg.

How does the doctor treat deep venous thrombosis?
Treatment for deep venous thrombosis includes leg elevation, warm compresses to the leg, and anticoagulants. Some may be given medications that dissolve blood clots.