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Case Reports
. 2008 Jun;198(6):717-24.
doi: 10.1016/j.ajog.2008.02.030. Epub 2008 Apr 2.

Signal ambiguity resulting in unexpected outcome with external fetal heart rate monitoring

Duncan R Neilson Jr  1 , Roger K Freeman, Shelora Mangan
Affiliations
Case Reports

Signal ambiguity resulting in unexpected outcome with external fetal heart rate monitoring

Duncan R Neilson Jr et al. Am J Obstet Gynecol. 2008 Jun.

Abstract

We report cases of unexpected adverse fetal outcome from monitored labors in which the fetal heart rate tracing was interpreted as reassuring. In these cases, portions from another signal source, usually maternal, were imperceptibly substituted into the fetal tracing in a way that masked the evidence of fetal compromise.

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