房室顺序起搏器 DVI pacemaker
房室顺序型心脏起搏器 atrioventricular sequential pacemaker ; A-Vsequentialpacemaker
房室顺序型起搏 atrioventricular sequential pacing
目的探讨超声斑点跟踪显像技术评价房室顺序起搏患者左心室收缩功能的价值。
Objective To evaluate left ventricular systolic function in patients with dual-chamber pacing by ultrasonic speckle tracking imaging.
认为AAI起搏既保持了房室顺序同步性又维持了心室收缩舒张顺序的同步性，是较理想的起搏方式。
These suggested that AAI had atrioventricular synchrony and synchrony of ventricle contraction, and was a suitable pacing mould.
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