Brain Arteriovenous Malformation (AVM) | Symptoms & Causes

What are the symptoms of brain arteriovenous malformations?

Brain arteriovenous malformations (AVMs) sometimes cause no symptoms and are only found during imaging for other reasons. More commonly, though, AVMs can cause bleeding in the brain, seizures and other neurological problems.

Symptoms can include:

  • seizures
  • persistent headaches
  • weakness or paralysis on one side of the body
  • problems with speaking
  • loss of coordination
  • numbness, tingling or pain

What are the causes of brain arteriovenous malformations?

The cause of AVMs is not known. In most cases, children are born with them. In rare cases, AVMs are associated with conditions that run in families.

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