title: Headache and visual change.
authors.affiliation: Division of Emergency Medicine, Harvard Medical School, Boston, Massachusetts, USA.
authors.forename: Azita G
authors.initials: AG
authors.lastname: Hamedani
authors.forename: David F M
authors.initials: DF
authors.lastname: Brown
authors.forename: Eric S
authors.initials: ES
authors.lastname: Nadel
mesh_terms: D000368:Aged; D003389:Cranial Nerve Diseases / Q000175:diagnosis; D003937:Diagnosis, Differential; D004172:Diplopia / Q000175:diagnosis / Q000209:etiology; D006261:Headache / Q000209:etiology*; D006732:Horner Syndrome / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications* / Q000175:diagnosis* / Q000601:surgery; D018810:Magnetic Resonance Angiography; D008297:Male; D010808:Physical Examination; D013345:Subarachnoid Hemorrhage / Q000175:diagnosis; D016896:Treatment Outcome; D014786:Vision Disorders / Q000209:etiology*