Computer methods in electrocardiography.
D000703:Analog-Digital Conversion; D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D003201:Computers; D004562:Electrocardiography / Q000295:instrumentation / Q000379:methods*; D005080:Exercise Test; D006801:Humans; D008433:Mathematics; D013689:Telephone; D013997:Time Factors