希氏束电图(HBE)自六十年代开始临床应用以来,不仅在检查技术上有所改进,而且在应用范围方面也逐步有所扩大.本文着重叙述HBE的临床应用,并针对EKG所不能查明的问题重点复习.一、测定心脏不应期:用程序刺激及HBE检查可测知心脏不应期的变化.在右心房上部心房调搏术刺激8~10次,随后给一个期前刺激,期前刺激后的配对间期由长变短,观察EKG与HBE表现,可知 Since its clinical application in the 1960s, the technology of HBE has not only been improved in the examination technique, but also gradually expanded in the scope of application.This article focuses on the clinical application of HBE, First, determine the heart refractory period: with the program to stimulate and HBE test can detect changes in the heart refractory period in the right atrial pacing atrial pacing 8 to 10 times, followed by a period before Stimulation, pre-stimulus paired interval from long to short, EKG and HBE observed, we can see