define electrophysiology
Electrocardiogram â Tracing of the electrical activity of the heart. Electrode â Medium for conducting an electrical current-in this case, platinum wires. Electrophysiology â Study of how electrical signals in the body relate to physiologic function. Event recorder â A small machine, worn by a patient usually for several days or weeks, that is activated by the patient to record his or her EKG when a symptom is detected.