Formation of a blood clot


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Formation of a blood clot


Illustration of Formation of a blood clot

Illustration copyright 2000 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

A blood clot can form when the valves in the veins do not work properly. If the valves do not open normally, blood cells can collect behind the valve and begin to stick together to form a clot. A collection of clotted blood cells is called a thrombus.

The clot, or a piece of it, can break off and travel through the blood vessels. A blood clot can cause serious problems if it gets stuck in a vein and blocks blood flow (thromboembolus).

Credits


Primary Medical Reviewer Adam Husney, MD - Family Medicine
Specialist Medical Reviewer Paul D. Traughber, MD - Radiology
Last Updated September 11, 2007

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Last updated: September 11, 2007
Reviewed By: Adam Husney, MD - Family Medicine, Paul D. Traughber, MD - Radiology

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