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| | Society Of Interventional Radiology - Patients and Public - Vascular Diseases |
 | | Deep vein thrombosis (DVT) is the formation of a blood clot, known as a thrombus, in the deep leg vein. |
 | | The deep veins that lie near the center of the leg are surrounded by powerful muscles that contract and force deoxygenated blood back to the lungs and heart. |
 | | A significant proportion of these patients develop permanent irreversible damage in the affected leg veins and their valves, resulting in abnormal pooling of blood in the leg, chronic leg pain, fatigue, swelling, and, in extreme cases, severe skin ulcers. |
| www.sirweb.org /patPub/DVTOverview.shtml (528 words) |
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