Which of the following is the most common site of aneurysmal subarachnoid hemorrhage?
High-Yield Explanation
Berry aneurysms are most common in anterior circulatation. (Overall) MC site of aneurysmal SAH: Anterior communicating aery causing worst headache of life. If in the question mentioned 3rd nerve is involved and site was asked : (PCA) Post Communicating Aery ,would be the answer.