... 室性过早搏动premature ventricular beat 房性过早搏动premature atrial beat 交界性过早搏动premature junctional beat ...
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atrial premature beat 房性早搏 ; 收缩 ; 房性期外收缩 ; 房性期前收缩
junctional & atrial premature beat 交界性早搏与房性早搏
late atrial premature beat 迟发房性过早心搏
APB atrial premature beat 房性早搏
lower atrial premature beat 心房下部早搏
blocked atrial premature beat 被阻滞的房性早搏
resistant atrial premature beat 顽固性房早
concealed atrial premature beat 隐匿性房早
multifocal atrial premature beat 多源性房性早搏
Results showed that long _ cycle leading to atrial fibrillation and flutter were mostly compensating period due to atrial premature beat or obviously sinus bradycardia.
结果显示：心房颤动或心房扑动发生前的长周期多见于房性期前收缩后代偿间歇及明显窦性心动过缓等心律失常；
In them, sinus tachycardia, myocardial ischemia, atrial and ventricular premature beat were common.
其中以窦速、心肌缺血、房早和室早多见。
Conclusion: atrial overdrive can prevent AF, which may results from accelerating interatrial conduction, inhibiting atrial premature beat, eliminating sinus bradycardia and long short interval.
结论：心脏起搏抑制房颤发生的机制可能与快频率起搏加速心房内传导、抑制了房性期前收缩、消除了窦性心动过缓和心脏长短间歇有关。
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