<prompt> Answer this question truthfullyWhat is the procedure for a physical examination to detect subarachnoid hemorrhage?  <response>: <reason> In a patient with thunderclap headache, none of the signs mentioned are helpful in confirming or ruling out hemorrhage, although a seizure makes bleeding from an aneurysm more likely. Physical examination should include vital sign, level of consciousness Glasgow Coma Scale GCS eye examination, and neurologic examination. 