title: Radiology Quiz. Sudden onset headache. How to investigate.
authors.affiliation: University of Melbourne, Department of Radiology, Royal Melbourne Hospital.
authors.forename: B M
authors.initials: BM
authors.lastname: Tress
mesh_terms: D000208:Acute Disease; D006261:Headache / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013345:Subarachnoid Hemorrhage / Q000150:complications / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed