Objective To investigate the optimal AV delay by means of evaluation of the hemodynamics at different AV delay in patients with a DDD pacemaker implanted.
目的对不同房室延迟DDD起搏患者进行血流动力学评价，探讨DDD起搏最佳房室延迟的设置方法。
Objective To investigate the optimal AV delay by means of evaluation of the hemodynamics at different AV delay in patients with a DDD pacemaker implanted.
目的对不同房室延迟DDD起搏患者进行血流动力学评价，探讨DDD起搏最佳房室延迟的设置方法。
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