system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following is the most common site of aneurysmal subarachnoid hemorrhage?
assistant
The correct answer is  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.