MEASUREMENT OF FETAL HEART-RATE DURING PREGNANCY BY A NEW ELECTROCARDIOGRAPHIC TECHNIQUE

被引：23

作者：

WHEELER, T

MURRILLS, A

SHELLEY, T

机构：

[1] UNIV LONDON,KINGS COLL HOSP,DEPT OBSTET & GYNAECOL,LONDON SE5 8RX,ENGLAND

[2] GUYS HOSP,DEPT CLIN PHYS & BIOENGN,LONDON SE1 9RT,ENGLAND

来源：

BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY | 1978年 / 85卷 / 01期

关键词：

D O I：

10.1111/j.1471-0528.1978.tb15818.x

中图分类号：

R71 [妇产科学];

学科分类号：

100211 ;

摘要：

An external technique for recording the fetal heart rate (FHR) during pregnancy is described. The system is based upon the detection of the fetal electrocardiogram (ECG) from the maternal abdomen and elimination of the maternal QRS complexes by a new system of subtraction. Fetal QRS complexes with an amplitude of 10 microvolts or more were processed to produce heart rate recordings of much higher quality than previously obtained with the phonocardiographic and ultrasonic systems. The proportion of successful recordings was reduced between 27 and 34 weeks of gestation due to the decrease in size of the fetal QRS complex which occurred at this time; this was a major drawback of the ECG system. Copyright © 1978, Wiley Blackwell. All rights reserved

引用

页码：12 / 17

页数：6

共 13 条

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