经房室旁道逆传房室结快慢径路交替前传的心动过速一例
Chinese Journal of Cardiac Pacing and Electrophysiology（2023）
Abstract
患者男性,37 岁,主因阵发性心悸 1 年,加重 2 h 入院.心悸症状发作时心电图为:窄 QRS 波群心动过速,心室率 173 次/分,两种RR间期.心内电生理检查证实为旁道逆传、房室结快慢径顺传,从而出现不同频率和(或)R-R 间期长短交替的窄 QRS 波群心动过速,消融旁道后心动过速未诱发,仍可见跳跃现象,手术结束.
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