起搏频率
The pacing electrode lead was introduced along the right cephalic vein and/ or subclavian vein. Acute hemodynamic effect of different pacing frequency was evaluated by Swan-Ganz catheter introduced from the left subclavian vein to pulmonary artery.
经右头静脉和(或)右锁骨下静脉插入双腔起搏电极导线,经左侧锁骨下静脉插入Swan Ganz导管,测量不同起搏频率时血流动力学效应。
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