B型激综合征合并完全性右束支阻滞较罕见,现报道如下: 患者,男,20岁,因阵发性心慌一年余就诊。检查无阳性体征,仅电心图呈完全性右束支阻滞,疑心肌炎收入院。两天后心电图右束支阻滞图形消失,呈典型B型预激综合征图形。三天后再复查心电图,又出现入院前变化,呈完全性右束支阻滞图形。而Ⅱ导的第 B-type irritable bowel syndrome with complete right bundle branch block is rare, are reported as follows: The patient, male, 20 years of age, due to paroxysmal palpitation more than one year treatment. No positive signs of examination, only the ECG was complete right bundle branch block, suspected myocarditis income hospital. Two days later, the right bundle branch block ECG disappeared, showing a typical type B pre-excitation syndrome. Three days later review of ECG, there were changes before admission, was completely right bundle branch block graphics. And Ⅱ lead the first