AIM To the effects of pacing right ventricular septum and in right ventricular apex.

目的了解右室流出道间隔部起搏和右室心尖部起搏参数的差异及对心功能的影响.

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Objective : To compare the cardiac function impact by ventricular septum pacing and right ventricular apex pacing.

目的: 对比右室心尖部起搏与右室间隔部起搏对心功能的影响.

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