As explained by the American Stroke Association

What is a brain AVM?

Normally, arteries carry blood containing oxygen from the heart to the brain, and veins carry blood with less oxygen away from the brain and back to the heart. When an arteriovenous malformation (AVM) occurs, a tangle of blood vessels in the brain or on its surface bypasses normal brain tissue and directly diverts blood from the arteries to the veins. Brain AVMs are usually congenital, meaning someone is born with one. But they’re usually not hereditary. People probably don’t inherit an AVM from their parents, and they probably won’t pass one on to their children. This occurs in about 1% of the population, or about 1 in 500 people. I know, right? and that one happened to be me. That is the reason why I have all the time to waste now writing this blog. Don’t get me wrong, I’m way past the angry stage or the denial stage. I have already come to accept my situation and I’m now trying my hardest to cope and improve my situation. I have attached a picture of me post-craniotomy while I was in the ICU so you could picture how bad it was. I hope you are not eating lest your appetite be ruined..

My AVM according to my neuro surgeon is located on the right frontotemporal lobes measuring at least3.6×5.2x6cmclose to the edge or in the basal ganglia if I remember it right. the hemorrhage was so massive and they were able to drain about 58ml of blood.