间歇性预激综合征的心电图表现,可以由预激综合征的图形突然变为正常或逐渐变为正常(即“手风琴样”效应),可以与心率的快慢相关或无关。本文报道二例与心率密切相关的间歇性预激综合征。例一许×,男性,19岁,住院号231368。于1982年9月24日因反复发作室上性心动过速2天而入院。临床诊断;先天性心脏病、房间隔缺损伴二尖瓣关闭不全,阵发性室上性心动过速,预激综合征(B型)。入院后曾先后应用多种抗心律失常药物治疗,仅 The electrocardiographic performance of intermittent WPW syndrome can suddenly or normally become normal (ie “accordion-like” effect) from the WPW pattern, which may or may not be related to heart rate. This article reports two cases of heart rate and is closely related to intermittent WPW syndrome. A case of × ×, male, 19 years old, hospital number 231368. On September 24, 1982 due to recurrent supraventricular tachycardia admitted for 2 days. Clinical diagnosis; congenital heart disease, atrial septal defect with mitral regurgitation, paroxysmal supraventricular tachycardia, pre-excitation syndrome (B type). Has been admitted after a variety of anti-arrhythmic drug treatment, only