Arteriovenous Malformation (AVM)
What is an arteriovenous malformation or AVM?
An arteriovenous malformation, or AVM, is an abnormal tangle of vessels in the brain or spine. The cause of AVMs is not clear. Most people are born with them, but they can occasionally form later in life. They are rarely passed down among families genetically.
What are the symptoms of AVM?
Some people with brain AVMs experience…