title: Recurrent headache in an elderly patient.
mesh_terms: D000368:Aged; D001799:Blood Sedimentation; D003937:Diagnosis, Differential; D004630:Emergencies; D005260:Female; D013700:Giant Cell Arteritis / Q000175:diagnosis; D006261:Headache / Q000209:etiology; D006408:Hematoma, Subdural / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D008487:Medical History Taking; D010808:Physical Examination; D012008:Recurrence; D014057:Tomography, X-Ray Computed