title: [Atrio-ventricular block].
authors.affiliation: First Department of Internal Medicine, Asahikawa Medical College.
authors.forename: H
authors.initials: H
authors.lastname: Yamashita
mesh_terms: D003937:Diagnosis, Differential; D004562:Electrocardiography; D006327:Heart Block / Q000145:classification / Q000175:diagnosis / Q000209:etiology; D006801:Humans