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采用经食道心房调搏方法检查12例阵发性室上性心动过速(PSVT)患者,发现隐性WPW二例,并成功的多次诱发了SVT。其中房室结前传型与房室结逆传型折返性心动过速各一例。本文从心电生理的观点讨论了隐性WPW形成的原因及经食道心房调搏能对其诊断的机理。对两例患者存在隐性WPW及电生理检查使其呈现WPW的可能原因进行了分析。本文认为:本技术安全、简便、重复性好,是发现隐性WPW的一种有价值的手段。
Twenty patients with paroxysmal supraventricular tachycardia (PSVT) were examined by transesophageal atrial pacing method. Two cases of latent WPW were found, and SVT was induced successfully many times. Which atrioventricular node type and atrioventricular retrograde type of reentrant tachycardia in each case. This article discusses the reasons for the formation of implicit WPW and the mechanism of diagnosis of transesophageal atrial pacing from the electrophysiological point of view. Two patients with latent WPW and electrophysiological examination to make it appear the possible causes of WPW were analyzed. This paper argues that: The technology is safe, simple and reproducible, and is a valuable means of discovering implicit WPW.