A female presented with severe headache of sudden onset. On CT scan a diagnosis of subarachnoid heamorrhage is made. The most common site of subarachnoid haemorrhage is -: (A) Middle meningeal aery, (B) Berry aneurysm rupture, (C) Basilar aery, (D) Subdural venous sinuses
Answer is B. Ans. is ' b' ie. Berry Aneurysm rupture "Excluding head trauma the most common cause of SAH is rupture of a saccular aneurysm (Berry aneurysm or congenital aneurysm)."