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Venous Thromboembolism - Causes - Causes

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VTE occurs in the veins that carry blood to your heart. A deep vein thrombosis may occur if the flow of blood slows down in your body\u2019s deep veins, if something damages the blood vessel lining, or if the makeup of the blood itself changes so that blood clots form more easily. A pulmonary embolism (PE) refers to an embolus from a deep vein blood clot that breaks loose and travels to the lungs, blocking an artery in the lung. Blood clots can develop in veins damaged by surgery or trauma, or a result of inflammation in response to an infection or injury.

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Learn more about how blood clots form.

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Blood clots form naturally at sites of injury to prevent bleeding. Damage to a vein causes certain factors in the blood to trigger the activity of the enzymes thrombin. Active thrombin then forms long protein strands that clump together with platelet and red blood cells to form clots.

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Syndicated Content Details:
Source URL: https://www.nhlbi.nih.gov/subscribe/85070
Source Agency: National Heart, Lung, and Blood Institute (NHLBI)
Captured Date: 2018-07-11 15:23:00.0
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