QRS duration measurement using high-frequency electrocardiography: applications and limitations of a new technique.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003201:Computers; D004562:Electrocardiography / Q000379:methods*; D005260:Female; D006321:Heart / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology; D012737:Sex Factors; D013997:Time Factors