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Lookup NU author(s): Emeritus Professor Alan MurrayORCiD
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This study was designed to investigate the range of beat-to-beat changes in fetal inter-beat (RR) intervals during routine clinical monitoring in labour. Fetal RR intervals were automatically measured and collected from 10 fetuses. Intervals which were incorrectly measured were excluded, and the remaining 23 510 intervals were used to compile the distribution of beat-to-beat changes. The inter-quartile range of this distribution was 23 ms and the 99th centile fell at approximately 50 ms. No relationship could be established between beat-to-beat changes and the absolute RR interval. These findings differ from the results published by other workers on the basis of data obtained antenatally or during early labour. In addition, the results suggest possibilities for improving algorithms designed to enhance data quality in fetal heart rate monitoring.
Author(s): BARTLETT MLR, MURRAY A, DUNLOP W
Publication type: Article
Publication status: Published
Journal: JOURNAL OF BIOMEDICAL ENGINEERING
Year: 1991
Volume: 13
Issue: 2
Pages: 169-172
Print publication date: 01/03/1991
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