Home > General Medicine > DVT Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Oct 18, 2008 by JohnHeit, Views: 6436 DVT is deep venous thrombosis. This is simply a blood clot in one of your veins. DVT occurs most commonly in the legs. Risk factors for development of DVT include surgery, hospitalization, trauma, cancer, and neurologic disorders. Symptoms are commonly pain and swelling in one leg. If left untreated these blood clots can travel through your heart and lodge in the lung causing what is called a pulmonary embolus. Dr. John Heit from the May Clinic discusses DVT.