Methods Papillary muscle was excised from the right ventricle and was paced at 1? Hz. Biphasic square wave current pulse was delivered during the ARP ( called CCM).

  • 方法分离兔右心室乳头肌、灌流并给予1HZ刺激使其等长收缩,于该基础刺激的绝对不应期给予双相方波电流刺激(称之CCM)。

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