title: [Electrocardiogram of the month].
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001919:Bradycardia / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000175:diagnosis; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000175:diagnosis* / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D017379:Hypertrophy, Left Ventricular / Q000175:diagnosis