目的应用运动负荷超声心动图评价频率适应性起搏器对心功能的影响。
Objective To investigate the effects of exercise stress echocardiography (E-Echo)on cardiac function in patients with rate-adaptive pacemakers.
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。
Methods Dual chamber rate adaptive pacemaker with closed loop stimulation were implanted into 16 patients with sinus chronotropic disability.
目的探讨正常人的心脏变时能力与年龄、性别的关系,并为频率适应性起搏器的程控提供依据。
Objective To discuss the relationship between age, gender and heart chronotropic ability, and provide some data to the programming of rate adaptive pacemakers.
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