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目的:探讨妊娠期尤其是妊娠中晚期妇女心电图PR间期缩短的原因和临床意义。方法:选择江门市中心医院2014年8月至2016年8月的妊娠期妇女580例为观察组,420例健康非妊娠妇女为对照组。常规做12导联心电图,并由心电图医生诊断。结果:观察组PR间期缩短92例,发生率15.86%,对照组PR间期缩短3例,发生率0.714%,组间比较,差异有统计学意义(P<0.05)。半年后对其心电图随访复查,观察组中的92例短PR间期90例恢复正常,只有2例仍然为短PR间期。结论:短PR间期不一定是L–G–L型心室预激,鉴别诊断有重要临床意义。
Objective: To investigate the reason and clinical significance of the shortening of PR interval of electrocardiogram during pregnancy, especially in the second trimester of pregnancy. Methods: 580 women in gestation from August 2014 to August 2016 in Jiangmen Central Hospital were selected as observation group and 420 healthy non-pregnant women as control group. Conventional 12-lead ECG, diagnosed by the ECG. Results: In the observation group, the PR interval was shortened in 92 cases with a rate of 15.86%. The PR interval in the control group was shortened in 3 cases with a rate of 0.714%. There was significant difference between the two groups (P <0.05). Six months after the follow-up of their ECG, the observation group of 92 cases of short-term PR 90 cases returned to normal, only 2 cases still short PR interval. Conclusion: Short PR interval is not necessarily L-G-L type ventricular pre-excitation, differential diagnosis has important clinical significance.