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How does a blood clot begin?

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The process begins whenever flowing blood comes into contact with specific substances in your skin or in blood vessel walls. When they touch, it usually means the skin or blood vessel wall is broken.

From: Blood Clots WebMD Medical Reference

SOURCES:

Merck Manual: "How Blood Clots."

World Federation of Hemophilia: "The clotting process."

American Stroke Association: "Anti-Clotting Agents Explained."

Lipe, B. , Oct. 4, 2011. Circulation

Furie, B. , 2008. New England Journal of Medicine

Hoffman, R. , 5th edition, Churchill Livingstone Elsevier, 2009. Hematology: Basic Principles and Practice

Fiumara, K. , 2009. Circulation

Reviewed by Louise Chang on January 9, 2018

SOURCES:

Merck Manual: "How Blood Clots."

World Federation of Hemophilia: "The clotting process."

American Stroke Association: "Anti-Clotting Agents Explained."

Lipe, B. , Oct. 4, 2011. Circulation

Furie, B. , 2008. New England Journal of Medicine

Hoffman, R. , 5th edition, Churchill Livingstone Elsevier, 2009. Hematology: Basic Principles and Practice

Fiumara, K. , 2009. Circulation

Reviewed by Louise Chang on January 9, 2018

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What causes blood clots?

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