目的评价双腔心脏起搏器围手术期护理的临床疗效及价值。
Objective To investigate the nursing care of implantation of artificial heart pacemaker.
结果提示，对于心功能和心脏结构正常的患者，在静息状态下，双腔起搏和单腔起搏对心功能的影响无显著差异。
It is concluded, for the patients whose cardiac function and structure was normal, there was no significantly different in left ventricular function with DDD compared to VVI at resting.
结论QTVI测量二尖瓣环运动速度能无创、有效地评价心脏双腔起搏左室收缩和舒张功能。
Conclusion Measuring the motion velocities of mitral annulars by QTVI can be used to assess global left ventricular systolic and diastolic function in Dual-chamber Pacing .
患者均进行了三腔双心室同步起搏，起搏电极导线分别置于右心房、右心室以及经由冠状静脉窦置于一支心脏静脉起搏左心室。
All of them received three chamber biventricular pacing and the left ventricular pacing lead was inserted into a cardiac vein through coronary sinus.
患者均进行了三腔双心室同步起搏，起搏电极导线分别置于右心房、右心室以及经由冠状静脉窦置于一支心脏静脉起搏左心室。
All of them received three chamber biventricular pacing and the left ventricular pacing lead was inserted into a cardiac vein through coronary sinus.
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