60 Hz ventricular fibrillation and rhythm thresholds and the nonpacing intracardiac catheter.
D000818:Animals; D001145:Arrhythmias, Cardiac / Q000209:etiology* / Q000503:physiopathology; D006328:Cardiac Catheterization / Q000295:instrumentation*; D004285:Dogs; D004558:Electric Stimulation / Q000009:adverse effects*; D006321:Heart / Q000503:physiopathology; D014693:Ventricular Fibrillation / Q000209:etiology* / Q000503:physiopathology