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基础讨论心律失常起源于心肌自律性的紊乱与传导异常。有关心肌电特性的知识,大多从研究心肌细胞跨膜电位得来。图1示非自律性心肌细胞与自律性(即自动毁极性)心肌细胞胯膜电位的两种基本活动方式。
Basic discussion Arrhythmia originated in the disorder and conduction abnormalities of myocardial self-regulation. Most of the knowledge about the electrical properties of the myocardium comes from studying the transmembrane potential of cardiomyocytes. Figure 1 shows two basic activities of non-autonomous cardiomyocytes and autonomic (ie, self-destructive) cardiomyocyte membrane potential.