It's called deep vein thrombosis, or DVT. All our veins have small valves powered by the muscles around them. They keep blood moving toward the heart, instead of flowing backward inside veins.

Deep vein thrombosis or DVT is a blood clot that forms in a deep vein, most commonly in your leg or pelvis. The condition is usually linked to immobility, such as in patients lying in hospital ...

When a blood clot forms in a vein deep inside your body, it causes what doctors call deep vein thrombosis (DVT).

Deep vein thrombosis (DVT) is a blood clot (thrombus) in a deep vein, usually in the legs. These clots require medical care right away. These clots are dangerous because they can break loose, travel ...

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