title: Subarachnoid hemorrhage or migraine?
abstract: The differential diagnosis of "the worst headache of my life" is illustrated by the following history.
authors.forename: R W
authors.initials: RW
authors.lastname: Evans
authors.forename: R A
authors.initials: RA
authors.lastname: Davidoff
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D020325:Migraine with Aura / Q000175:diagnosis*; D013345:Subarachnoid Hemorrhage / Q000175:diagnosis*