brain subarachnoid hemorrhage

accident anatomy black bleeding blood bone brain catastrophic causing cerebral cerebrum clot coma comatose computer cranium ct diagnosis edema emergency film head hemisphere hemorrhage herniation his hospital human image injury intracerebral large left mass massive medical medicine neurosurgery paraplegia patient radiology ray right scan serious showing side skull subarachnoid sunarachnoid surgery tissue tomography traumatic treatment urgency weakness white xray