title: [Acute headache: what you should not at all fail to do].
authors.affiliation: Klinik und Poliklinik für Neurologie, Universitätsklinikum Essen. mark.obermann@uni-due.de
authors.forename: M
authors.initials: M
authors.lastname: Obermann
authors.forename: H-C
authors.initials: HC
authors.lastname: Diener
mesh_terms: D000465:Algorithms; D003937:Diagnosis, Differential; D003952:Diagnostic Imaging; D003955:Diagnostic Tests, Routine; D005194:Family Practice; D051270:Headache Disorders, Primary / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D051271:Headache Disorders, Secondary / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D006801:Humans; D008487:Medical History Taking; D012017:Referral and Consultation