title: Coexisting intra- and subnodal block: an unusual abnormality of atrioventricular conduction.
mesh_terms: D000368:Aged; D002037:Bundle-Branch Block / Q000150:complications / Q000503:physiopathology; D004562:Electrocardiography; D006327:Heart Block / Q000150:complications / Q000175:diagnosis / Q000503:physiopathology* / Q000628:therapy; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial