Methods Dual chamber rate adaptive pacemaker with closed loop stimulation were implanted into 16 patients with sinus chronotropic disability.
方法对窦房结变时性功能障碍的16例患者，植入闭环刺激双腔频率适应性起搏器。
Objective: To observe the clinical effect and evaluate the exercise tolerance in sick sinus symptom patients with angina pectoris after implanting rate responsive pacemaker (DDDR).
目的：观察合并冠心病心绞痛的病态窦房结综合征患者置入频率应答起搏器（DDDR）的临床疗效及运动耐量评价。
Adverse events have included unintended "shocks" from neurostimulators, insulin pump malfunctions, and transient changes in pacemaker output pulse rate.
这些有害事件包括神经刺激器出现意外“震荡”，胰岛素泵功能失常，心脏起搏器输出脉率的短暂改变等。
Because of high complication rate of permanent pacemaker insertion during the neonatal period, it should be restricted in certain conditions.
因为在新生儿时期，置放永久性心律调节器具有相当高之并发症风险，其应保留在特定的状况下实施。
For this pacemaker, the width and rate of stimulate pulse could be adjusted outside to construct heart failure models of various cardiac impairment degrees.
该心脏起搏器可以在体外调节起搏脉冲的宽度和频率，实现心功能损害程度不同的心衰模型的复制。
This is the reason why the rate responsive pacemaker by one sensor is not suitable for the physiologic demand completely.
窦房结的这种特性可能是单传感器频率应答性起搏器不能完全符合生理需要的基本原因。
This is the reason why the rate responsive pacemaker by one sensor is not suitable for the physiologic demand completely.
窦房结的这种特性可能是单传感器频率应答性起搏器不能完全符合生理需要的基本原因。
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