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Overview

Deep venous thrombosis (DVT), also called deep vein thrombosis, is a condition in which a blood clot (thrombus) develops in one or more of the deep veins, usually in the legs or arms. When this occurs, the blood clot, or a portion of the clot, can travel to the lung and block one of the branches of the pulmonary artery. This serious condition is called pulmonary embolism.

Blood clots also can form in veins that are near the skin's surface. This condition is called superficial v...Read the full article