房室传导阻滞是临床常见的一种心律失常,常见于心脏病理状态下及老年患者。然而在健康人群中出现Ⅰ度及Ⅱ度一型房室传导阻滞者亦不少见。正确的诊断治疗可以减轻患者心理压力、提高生活质量。食管电生理检查是一项安全非创伤性的心脏电生理检查技术,其经济、方便,易于在基层医院开展。方法是将食管电极安置于心房后部的食管内,通 Atrioventricular block is a common clinical arrhythmia, common in heart disease and elderly patients. However, in the healthy population Ⅰ degree and Ⅱ degree type atrioventricular block who is not uncommon. The correct diagnosis and treatment can reduce the psychological pressure on patients and improve the quality of life. Esophageal electrophysiological examination is a safe and noninvasive cardiac electrophysiological examination technique, which is economical, convenient and easy to carry out in primary hospitals. The method is to place the esophageal electrode in the esophagus at the posterior portion of the atrium and through