title: Subarachnoid hemorrhage.
abstract: Primary subarachnoid hemorrhage represents 10 percent of strokes. Aneurysm is the most common cause, accounting for 28,000 cases of hemorrhage annually in North America. Headache is the most prominent feature and heralds the moment of rupture.
authors.affiliation: University of Florida College of Medicine, Gainesville.
authors.forename: A L
authors.initials: AL
authors.lastname: Day
authors.forename: M
authors.initials: M
authors.lastname: Salcman
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications; D002538:Intracranial Arteriovenous Malformations / Q000150:complications; D008875:Middle Aged; D012422:Rupture, Spontaneous; D013345:Subarachnoid Hemorrhage / Q000175:diagnosis / Q000601:surgery