An electrocardiogram (ECG) is a tool used to measure the heartbeat using an electrical current. By following the current from 10 electrodes placed around the body, a traditional 12-lead ECG can give a ...

Think of the stereotypical representations of medicine, as they might appear on a television show: the crisp white coat, of course, and the stethoscope dangling at the ready. Syringes and intravenous ...