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本文报道3例各具不同特征的房室给内三径路心电图。根据Sung等近年来的研究,结内双径路在心房端有两个不同的出入口,以致不同径路逆行激动心房的顺序各异。本文强调诊断结内三径路折返,必须具有两种形态不同的逆P′,以及P′-R与R-P~-长度成反比的房室结内折返特征。作者初步提出体表心电图上诊断结内三径路的7条线索。
This article reports three cases of different characteristics of the atrioventricular to three pathway ECG. According to recent researches by Sung et al., There are two different entrances and exits in the atrial end of the dual-path junction in the knot so that the order of the retrograde atrial in different pathways varies. This paper emphasizes the three-way path reentry in the diagnostic junction, which must have two different inverse P ’shapes and an inflexion of atrioventricular nodal features that are inversely proportional to the length of R-P ~ -P’-R. The authors initially proposed seven clues to the diagnosis of three pathways on the body surface electrocardiogram.