title: [Chronic disorders of stimulus formation and stimulus conduction of the heart: problems of etiologic classification].
mesh_terms: D001145:Arrhythmias, Cardiac / Q000209:etiology; D001919:Bradycardia / Q000209:etiology; D002908:Chronic Disease; D006327:Heart Block / Q000209:etiology; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D009200:Myocardial Contraction
vernacular_title: Chronische Erregungsbildungs- und Erregungsleitungsstörungen des Herzens: Probleme der ätiologischen Zuordnung.