title: [Atrio-ventricular disorders of the heart conduction].
mesh_terms: D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis*; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans
vernacular_title: Ob atrio-ventrikuliarnykh narusheniiakh provodimosti serdtsa