AN INSTRUMENT FOR THE TOTALIZATION OF HEARTBEATS AND RESULTS OF ITS APPLICATION.
D001769:Blood; D003327:Coronary Disease; D004562:Electrocardiography; D004594:Electrophysiology; D004864:Equipment and Supplies; D006334:Heart Function Tests; D006339:Heart Rate
BLOOD; CORONARY DISEASE; ELECTROCARDIOGRAPHY; ELECTROPHYSIOLOGY; EQUIPMENT AND SUPPLIES; HEART FUNCTION TESTS