Peak-to-peak amplitude of the high-frequency QRS: a simple, quantitative index of high-frequency potentials.
D000703:Analog-Digital Conversion; D003201:Computers; D004562:Electrocardiography / Q000295:instrumentation / Q000379:methods*; D004581:Electronics; D006321:Heart / Q000503:physiopathology; D006331:Heart Diseases / Q000503:physiopathology*; D006801:Humans