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What is 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 - and explain in detail?
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)."