This are congenital blood vessel abnormalities found in the brain as well as elsewhere in the body. Composed of a complex tangle of arteries and veins, AVMs wreak havoc on the normally smooth operation of the human circulatory system, with bleeding in the brain a major cause for concern. AVMs account for two percent of all strokes and require prompt medical attention. If you or a loved one has been diagnosed with AVMs,a multi-specialty approach ensures an integrated, comprehensive treatment plan. At Edward-Elmhurst Health, neurosurgeons, neurointervention listsand neurologists collaborate to provide a range of treatment options for AVMs, including embolization, open surgical removal and/or radiation. Many times a combination of treatments is necessary for cure.