FIG 2. Images of patient 2, a 67-year-old woman who suffered a severe headache that developed over several minutes.

A, CT scan shows a hemorrhage in the interpeduncular cistern (arrow).

B, Anteroposterior-view angiograms of the right (left) and left (right) carotid arteries show to severe vasospasm of the internal carotid, anterior cerebral, and middle cerebral arteries (arrows).