71 y/o RHM developed a cataclysmic headache on 11/5/92 associated with a violent sneeze. The headache lasted 3-4 days. On 11/7/92, he had acute pain and loss of vision in the left eye. Over the following day his left pupil enlarged and his left upper eyelid began to droop. He was seen locally and a brain CT showed no sign of bleeding, but a tortuous left middle cerebral artery was visualized. The patient was transferred to UIHC 11/12/92.