Deep vein thrombosis is a blood clot in a deep vein, usually in the legs. It can break loose and travel through the bloodstream to the lung. This is called pulmonary embolism and can be very dangerous.
Primary Medical ReviewerE. Gregory Thompson, MD - Internal Medicine
Specialist Medical ReviewerJeffrey S. Ginsberg, MD - Hematology
Current as ofAugust 21, 2015
WebMD Medical Reference from Healthwise