title: Early on the scene in the field of cardiac electrophysiology.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000266:history / Q000628:therapy; D054849:Cardiac Electrophysiology / Q000266:history*; D004554:Electric Countershock / Q000266:history; D049673:History, 20th Century; D049674:History, 21st Century; D008131:London