Comparison of a good orthogonal lead system and one additional chest lead with the conventional 12-lead electrocardiogram.
D000328:Adult; D000368:Aged; D002037:Bundle-Branch Block / Q000175:diagnosis*; D006332:Cardiomegaly / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006352:Heart Ventricles; D006801:Humans; D006984:Hypertrophy / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis*