The left ventricular lead was implanted in branch of coronary sinus, 16 in great cardiac vein, 9 in latherier vein, 21 in latherier posterior vein, 23 in posterior vein and 2 in middle cardiac vein.

左心室起搏电极导线植入不同的冠状静脉窦分支，其中，心大静脉16例，心侧静脉9例，心侧后静脉21例，心后静脉23例，心中静脉2例。

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Prolonged ventricular repolarization, an electrical conduction anomaly that could lead to heart rhythm abnormalities.

心室复极延长，一种能引起心律失常的异常电传导。

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Objective To evaluate the value of single straight stainless wire technique in the implantation of ventricular pacing electrode lead.

目的评价单根直钢丝技术在置入心室起搏电极操作中的价值。

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Single chamber ventricular pacing is considered an acceptable alternative in sedentary patients or those in whom technical issues make atrial lead placement difficult or impossible.

FORBES: Overview of the New HRS/ACCF Pacemaker Guidelines