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Key Points 1. Tachyarrhythmias result from one of three mechanisms (reentry, automaticity, and triggered activity), with reentry being the mechanism most commonly treated in the electrophysiology (EP) laboratory. 2. Anesthetic agents influence cardiac conduction and arrhythmogenesis and can adversely affect…
INTRODUCTION Battery-operated pacemakers (PMs) revolutionized the treatment of fatal electrical conduction abnormalities in 1958, just a few years after the invention of the transistor. With the maturation of this technology, PMs were designed to also provide atrioventricular synchronization, improve the…