Objective to evaluate the guiding value of electrocardiogram to bedside urgent cardiac pacing by invading mapping electrode catheter.
目的探讨体表心电图对标测电极导管进行床边紧急心脏起搏的指导价值。
Objective To investigate the methodology and feasibility of bedside urgent cardiac pacing guided by electrocardiogram, comparing the usage of two kinds electrode catheter.
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。
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