目的探讨超声心动图法在房室同步和心室同步对左心室收缩功能影响中的应用。
ObjectiveApplying echocardiography to assess the effects of atrioventricular synchrony and ventricular activation sequence on left ventricular systolic function.
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.
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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