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作者开发了一种以P波触发的心房信号平均系统用于检出心房晚电位(ALP),它克服了常规R波触发系统在信号平均过程中受房性异位搏动的影响和PQ间期变化等实际问题而能在窦性心律时检查阵发性心房颤动或扑动。本文对42例阵发性心房颤动(Paf组,其中22例有器质性心脏病)和50例对照组(其中14例有器质性心脏病)进行检查分析。全部记录系在屏蔽室内进行,模拟X、Y、Z导联分别相当于
The authors developed a P wave-triggered atrial signal averaging system for the detection of atrial late-phase potential (ALP) that overcomes the effects of atrial ectopic beats and the PQ interval during signal averaging in conventional R-wave firing systems Changes and other practical problems in the sinus rhythm can check paroxysmal atrial fibrillation or flutter. In this paper, 42 cases of paroxysmal atrial fibrillation (Paf group, 22 cases of organic heart disease) and 50 cases of control group (14 cases of organic heart disease) were analyzed. All records in the shielded room, analog X, Y, Z lead respectively equivalent