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目的观察不同胎龄新生儿心电图中RV1、TV1振幅的特点,为新生儿心电图诊断提供科学依据。方法不同胎龄新生儿共142例,按胎龄分组,28～30周组、～33周组、～36周组、～40周组四组。测量RV1、TV1振幅。结果不同胎龄新生儿RV1振幅、TV1振幅各组间比较,差异均有统计学意义,且早产儿各组与足月儿组RV1振幅、TV1振幅比较差异均有统计学意义;RV1振幅、TV1振幅随胎龄增长而增高。结论不同胎龄新生儿RV1、TV1振幅不同,随胎龄增长而增高。
Objective To observe the characteristics of the amplitude of RV1 and TV1 in neonates with different gestational age and provide a scientific basis for the diagnosis of neonatal ECG. Methods A total of 142 neonates with different gestational age were divided into four groups according to gestational age group, 28-30 weeks group, ~ 33 weeks group, ~ 36 weeks group, ~ 40 weeks group. Measure RV1, TV1 amplitude. Results The amplitude of RV1 and the amplitude of TV1 in different gestational age neonates were significantly different between groups. The amplitude of RV1 and the amplitude of TV1 in preterm infants were significantly different from those in term infants. The amplitude of RV1, TV1 Amplitude increases with gestational age. Conclusions The amplitude of RV1 and TV1 in different gestational age neonates is different, and increases with the increase of gestational age.