How might you have an untreatable brain hemorrhage?

Unfortunately, : This is not rare. When an aneurysm bursts, causing a subarachnoid hemorrhage, about 50% die before reaching hospital. An acute subdural hematoma may cause brain herniation, but epidural hematoma, and intracranial bleeding could likewise cause irreversible problems if grow too large and cause deterioration. Some hemorrhages move from brain to ventricle, and these too can cause havoc.