Commonest cause of non traumatic subarachnoid hemorrhage: (A) Idiopathic, (B) Berry aneurysm rupture, (C) Hypertension, (D) AV malformation
Answer is B. Ans. (b) Berry aneurysm ruptureRef: Bailey 26th 320 Schwartz 10th 1730* Most common cause of SAH - TRAUMA* Most common cause of non traumatic subarachnoid hemorrhage - BERRY ANEURYSM RUPTURE