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How does Willebrand factor deficiency cause blood-clotting problems?

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A relatively common condition called von Willebrand factor deficiency makes blood clots form slowly because your body doesn't have enough of a specific protein to trigger the clotting process. It's usually mild.

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 is a blood clot?

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