方法：采用常规膜片钳全细胞记录技术。
Method: With conventional Patch Clamp whole-cell recording technique.
结果：(1)建立了膜片钳全细胞记录技术平台，获得了高稳定性的正常心室肌细胞全细胞离子通道电流图。
Results: (1) Whole-cell patch-clamp recording technique was established, and highly stable whole cell ion channels' current curves of normal ventricular myocytes were ploted.
方法：采用全细胞膜片钳技术，记录钠通道电流。
Methods: Whole-cell patch clamp technique was used to determine sodium channel cur rent.
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