title: [When the map and the terrain do not agree].
authors.affiliation: Barnehjerteseksjonen, Barneklinikken, Oslo universitetssykehus, Norway. gunnar.norgaard@oslo-universitetssykehus.no
authors.forename: Gunnar
authors.initials: G
authors.lastname: Norgård
mesh_terms: D000208:Acute Disease; D006328:Cardiac Catheterization; D002648:Child; D003937:Diagnosis, Differential; D006333:Heart Failure / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D006801:Humans