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。

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

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目的评估右室间隔部起搏和右室心尖部起搏对起搏参数和双心室电同步性的影响。

AIM To evaluate the influence of pacing in right ventricular septum (RVS) and right ventricular apex (RVA) on pacing parameter and biventricular electrical synchrony.

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观察研究表明传统的右室心尖部起搏对左室功能可能有不利影响。

Observational studies suggest that conventional right ventricular apical pacing may have a deleterious effect on left ventricular function.

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