目的比较在体表心电图指导下两种电极导管紧急床旁心脏起搏治疗心动过缓的效果，探讨床旁心脏临时起搏的方法学和可行性。
Objective To investigate the methodology and feasibility of bedside urgent cardiac pacing guided by electrocardiogram, comparing the usage of two kinds electrode catheter.
结论：应用气囊漂浮电极进行床旁心脏临时起搏是一项安全、有效、可行的起搏方法。
Conclusion Bedside temporary cardiac pacing by invading balloon-tipped floating catheter is a safe and convenient approach.
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