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.

Blood clots, or thrombosis, especially in the legs (DVT), pose serious health risks. Extended inactivity, trauma, medical ...

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 ...

Deep vein thrombosis (DVT) is a medical condition that occurs when a blood clot forms in a deep vein. The blood clots may partially or completely block blood flow through your vein. Most DVTs ...

The objective of this study was to investigate the risk of acute internal jugular, subclavian, and axillary deep venous thrombosis (upper torso DVT [UTDVT]) and pulmonary embolism (PE) and the ...