A 23-year-old woman presents to the emergency department (ED) with a sudden onset of a thunderclap headache that she describes as the “worst headache of her life.” ...

Sylvian fissure(s), and interhemispheric fissure. Hydrocephalus may also be present on the initial CT scan. Cite this: Nonaneurysmal Subarachnoid Hemorrhage: A Review of Clinical Course and ...