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室性早搏(以下简称室早)折返径路内存在双径路传导和多水平阻滞现象,国内外已见报道。笔者最近发现1例室早二联律,其特点是室早配对间期一致,但由二种形态规律地交替出现,说明室早双径路内存在折返时间相同,但折返途径不同的交替性室内传导。现报告如下。
Ventricular premature beats (hereinafter referred to as room early) reentry path within the existence of dual-path conduction and multi-level block phenomenon, have been reported at home and abroad. The author recently found that one room early couplets law, which is characterized by early matching pairs of room is the same, but by the two forms of alternating law, indicating that the room early dual path within the same turnaround time, but different turnaround alternative indoor Conduction. The report is as follows.