title: [Heart arrest--definition and occurrence].
authors: Eirik
authors: E
authors: Skogvoll
authors: Kristian
authors: K
authors: Lexow
mesh_terms: D016887:Cardiopulmonary Resuscitation; D004632:Emergency Medical Services; D006323:Heart Arrest / Q000175:diagnosis* / Q000453:epidemiology / Q000628:therapy; D006801:Humans; D009664:Norway / Q000453:epidemiology