[High frequency components in the electrocardiogram].
D000293:Adolescent; D000328:Adult; D000368:Aged; D006332:Cardiomegaly / Q000503:physiopathology; D002648:Child; D002675:Child, Preschool; D003327:Coronary Disease / Q000503:physiopathology; D003920:Diabetes Mellitus / Q000503:physiopathology; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009136:Muscular Dystrophies / Q000503:physiopathology; D009203:Myocardial Infarction / Q000503:physiopathology*; D014672:Vectorcardiography