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目的:探讨妊娠中晚期孕妇心电图短P-R间期的原因及临床意义。方法:对我院2010年6至2011年3月门诊及住院的妊娠中晚期妇女心电图进行分析,并与同期门诊妊娠早期孕妇和正常非妊娠妇女进行比较,进行统计学分析。并对其进行分娩后3个月随访。结果:妊娠中晚期妇女与其他两组相比,P-R间期的差异有统计学意义,分娩3个月后P-R间期均恢复正常。结论:妊娠中晚期孕妇短P-R间期为生理性改变,分娩后可逐渐恢复正常。
Objective: To investigate the reason and clinical significance of short-term P-R interval of pregnant women in middle and late pregnancy. Methods: The electrocardiogram of middle and late pregnant women in outpatients and inpatients in our hospital from June 2010 to March 2011 were analyzed, and compared with the outpatient pregnant women and normal nonpregnant women during the same period of pregnancy, and the results were analyzed statistically. And follow-up after 3 months after delivery. Results: Compared with the other two groups, the difference of P-R interval was statistically significant in women of middle and late pregnancy. The P-R interval returned to normal after 3 months of delivery. Conclusion: The pregnant women in the second and third trimester of pregnancy have physiological changes in the short P-R interval, which can gradually return to normal after delivery.