300,000 Americans Have An AVM, As Well As Sen. Tim Johnson

... Senator Tim Johnson's brain started to bleed because of an Arteriovenous Malformation (AVM), a condition shared by approximately 300,000 Americans, most of whom don't know they have the condition. Only about one tenth of people with an AVM experience symptoms, which can include headaches, and even seizures.About one in every fifty cases of hemorrhagic strokes is caused by an AVM. [click link for full article] ...