要了解心律失常的发生机理以及抗心律失常药物是如何作用于心律失常的,需要对正常心脏纤维的电生理学有所认识。本篇旨在概述正常心脏动作电位的离子和电生理学基础。以后各篇将叙述正常电生理功能的失调及其在促发心律失常上的含义,以及各种治疗方法对心脏细胞电生理学和功能的影响。 To understand the mechanism of arrhythmia and how antiarrhythmic drugs act on arrhythmias, there is a need to be aware of the electrophysiology of normal cardiac fibers. This article aims to outline the basic electrophysiological and physiological properties of normal cardiac action potentials. After the articles will describe the normal electrophysiological dysfunction and its implications in the promotion of arrhythmias, as well as a variety of treatment methods on cardiac cell electrophysiology and function.