title: The acute severe headache--assessment and treatment.
abstract: Severe headache is usually primary, but secondary causes must be ruled out. History and physical examinations are essential. Neuroimaging, laboratory analysis, and imaging may also be necessary. Diagnosis and therapy for primary and secondary headaches are discussed.
authors.affiliation: Section of Neurology, Dartmouth-Hitchcock Medical Center-Dartmouth Medical School, One Medical Center Drive, Lebanon, NH 03756, USA.
authors.forename: Morris
authors.initials: M
authors.lastname: Levin
mesh_terms: D000208:Acute Disease; D003937:Diagnosis, Differential; D003952:Diagnostic Imaging; D006261:Headache / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy*; D006801:Humans; D008487:Medical History Taking; D010808:Physical Examination