An arteriovenous malformation is an abnormal network of blood vessels
and veins in the body. It is present at birth
The vessel walls of an arteriovenous malformation may become weak and
leak or burst, causing bleeding in or around important parts of the body, such as the brain or spinal cord.
January 11, 2012
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & H. Michael O'Connor, MD - Emergency Medicine
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