A simple cardiac monitoring system.
D001145:Arrhythmias, Cardiac / Q000517:prevention & control; D004562:Electrocardiography / Q000295:instrumentation*; D006801:Humans; D008991:Monitoring, Physiologic / Q000295:instrumentation* / Q000706:statistics & numerical data; D009203:Myocardial Infarction / Q000451:nursing; D011845:Radio