Alternative Names: DVT, Deep Venous Thrombosis, Blood Clot In The Legs, Venous Thromboembolism (VTE).
Deep Vein Thrombosis (DVT) occurs when a blood clot forms in a vein that is deep inside the body, usually in the lower leg or thigh. DVT is a serious condition because a blood clot that has formed in a vein can break loose and travel to the lungs or another critical organ, potentially causing death.
Sitting still for a long time, for example in a car or airplane, significantly increases the risk of deep vein thrombosis developing. Certain medical conditions can also predispose a person to blood clots.
Deep vein thrombosis can cause leg pain, but in about half of all cases, deep vein thrombosis occurs without any noticeable symptoms. When symptoms occur, they include:
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