本文描述了各种不同形式的房室传导文氏现象,包括不典型的、逆行性的、交替性的以及倒文氏现象等,并举例作了说明。对其发生机理和临床意义作了详细介绍。有些文氏现象的病程属于良性,有些文氏现象、特别是逆行性和交替性的都有较严重的心脏病变。虽然希氏束电图可以更精确地指出阻滞区所在,但体表心电图检查仍不失为一个有效方法,可以从仔细的测量与对分析得出确切诊断。 This article describes a variety of different forms of AVN, including atypical, retrograde, alternative, and Reversed phenomena, with examples. The mechanism of occurrence and clinical significance were introduced in detail. Some Wen’s phenomenon is benign course, some Wen’s phenomenon, especially retrograde and alternating have more serious heart disease. Although the His bundle beam shows the block more precisely, surface ECG is still an effective method to provide a precise diagnosis from careful measurement and analysis.