the brain patient didn't make it and you can see the blood here in the center of the brain so this is a blood vessel that's piercing into the brain which ruptures and why do you think that might happen yeah so an accident usually will cause some injury to the surface of the brain but a blood vessel deep in the brain usually ruptures for a different reason than an accident so an aneurysm is a good reason for a blood vessel to rupture we're going to get to that in the minute the aneurysms usually form at the blood vessels at the base of the