title: A new method to measure non-uniformity in the intact heart.
mesh_terms: D000200:Action Potentials; D000818:Animals; D002415:Cats; D004562:Electrocardiography; D004566:Electrodes / Q000295:instrumentation; D006339:Heart Rate; D008722:Methods; D008839:Microelectrodes; D010138:Pacemaker, Artificial; D010477:Perfusion; D011817:Rabbits; D012032:Refractory Period, Electrophysiological; D013997:Time Factors; D016276:Ventricular Function