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预激综合性(预激)偶可合并右束支或左束支阻滞,但附加旁道位于束支阻滞的同侧或对侧其心电图表现截然不同。当束支阻滞合并同侧旁道预激时,其束支阻滞可被掩盖,仅当预激间歇时才能显示出来。而束支阻滞合并对侧旁道预激时,则QRS 波增宽伴有预激波及终末传导延缓。本文报道1例罕见的预激合并双分支阻滞。患者女性,52岁,临床诊断冠心病。自1980年开始常有心
Pre-excitation synthesis (pre-excitation) even with right bundle branch or left bundle branch block, but the additional bypass located in the ipsilateral or contralateral bundle branch block ECG showed very different ECG. Bundle branch block can be masked when the bundle branch block merges with the ipsilateral side-channel pre-excitation and is only visible during the pre-excitation interval. Bundle branch block combined with the contralateral bypass pre-excitation, the QRS wave broadening accompanied by pre-shock and terminal conduction delay. This article reports a rare case of pre-excitation and bifurcation. Female patient, 52 years old, clinically diagnosed with coronary heart disease. Since 1980, always have heart