心房颤动伴长R-R间期临床分析

目的探讨心房颤动（A f）伴长R-R间期是否合并Ⅱ度房室传导阻滞（Ⅱ°AVB）的诊断。方法选择持续性A f患者89例,连续记录24h动态心电图（DCG）,统计1.5秒以上的长R-R间期发生时间及次数。结果89例患者出现≥1.5秒的长R-R间期78例,占87%,以1.5-2.0秒内多见,共1 896次,占72%。次为2.0-3.0秒,共698次,占26%。3.0秒以上21次,占7.6%。其中15例转复后进行随访,13例房室传导正常,1例显示P-R间期延长,达0.22秒 1例在夜间偶见Ⅱ度房室传导阻滞。结论A f伴长R-R间期者不要轻易做出合并Ⅱ°AVB的诊断,可用＂心房颤动伴心室长间期并结合临床＂表述。

Clinic Analysis of Atrial Fibrillation with Prolonged R -R Interval

Objective To explore the diagnosis of atrial fibrillation （Af） with prolonged R - R interval whether aecompanyed by grade atrioventricular block or not. Methods Total 89cases of consecutive patients with Af received 24hours dynamic cardiography （DCG）monitoring. The proionged P- R interval which was more than 1.5 seconds was recorded for the interval length and occurring time. Results In this group there were 78cases （87%） with R - R interval that was more than 1.5second. in the grou. 1.5seconds to 2.0 seconds was most common, which was 1896 times. And in the second place was 2. 0s to 3.0s,which was 698time （26%）. more than 3.0 seconds was 21times （7.6%）. 15eardioversion cases were followed up and 13 cases was normal. The atrial ventricular conduct was normal in 13cases, and the P -R interval was prolonged in 1 case,which was 0. 22second and grade Ⅱ type AVB occasionally occurred at night in 1 case. Conclusion Ⅱ° AVB should not be di- agnosis imprudently in Af patient with prolonged R - R interval. It can be termed as Af With prolonged ventricular interval by clinic character.