方法对4 4例植入频率适应性起搏器的患者行运动负荷超声检查，分别于非频率适应和频率适应两种起搏状态时进行仰卧位踏车实验。
Methods E-Echo was performed in 44 patients with pacemakers. All patients underwent supine bicycle exercise tests in fixed-rate and adaptive pacing mode.
方法对4 4例植入频率适应性起搏器的患者行运动负荷超声检查，分别于非频率适应和频率适应两种起搏状态时进行仰卧位踏车实验。
Methods E-Echo was performed in 44 patients with pacemakers. All patients underwent supine bicycle exercise tests in fixed-rate and adaptive pacing mode.
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