ST Segment Analysis as an Adjunct to Electronic Fetal Monitoring, Part I: Background, Physiology, and Interpretation

Michael A. Belfort, George R. Saade

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations

Abstract

Fetal electrocardiogram (ECG) ST segment analysis (STAN) was approved in 2005 in the United States as an adjunct to electronic fetal heart rate monitoring to determine whether obstetrical intervention is warranted when there is an increased risk for developing metabolic acidosis. STAN has utility in the reduction of fetal acidosis at birth, decreased need for fetal scalp blood sampling during labor, and decreased need for operative vaginal delivery and emergency cesarean delivery for fetal indications. This article discusses specific fetal ECG changes and their significance and the use of the STAN system.

Original languageEnglish (US)
Pages (from-to)143-157
Number of pages15
JournalClinics in Perinatology
Volume38
Issue number1
DOIs
StatePublished - Mar 1 2011

Keywords

  • Electrocardiogram
  • Fetal heart rate
  • ST segment analysis
  • T/QRS ratio

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Obstetrics and Gynecology

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