[Study on the high-amplitude electrocardiogram. Comparative analysis of various factors between high-amplitude electrocardiography and conventional electrocardiography].
D000669:Amplifiers, Electronic; D001161:Arteriosclerosis / Q000503:physiopathology; D004562:Electrocardiography / Q000295:instrumentation; D006331:Heart Diseases / Q000503:physiopathology; D006801:Humans; D006973:Hypertension / Q000503:physiopathology; D008107:Liver Diseases / Q000503:physiopathology; D008722:Methods