Document Detail

Measurement of Fetal Heart Rate Variability on an Electronic Monitor Using a Prototype Electronic Ruler.
MedLine Citation:
PMID:  22399221     Owner:  NLM     Status:  Publisher    
Objective To develop a prototype electronic ruler for assessment of fetal heart rate (FHR) variability on an electronic monitor and test its reliability and accuracy.Study Design A prototype electronic ruler was designed and developed for assessment of FHR variability on electronic monitors. The electronic ruler consisted of horizontal bands that were sized and colored to embed the four FHR variability categories. The reliability and accuracy of using the electronic ruler to assess FHR variability was studied with expert clinicians.Results Intrarater and interrater reliability was moderate for both the electronic ruler and paper strips. The amplitude measurement accuracy of expert variability assessment compared with a gold standard was significantly improved (p < 0.001) with the electronic ruler versus paper strips. The accuracy of subjects' FHR variability category responses compared with the gold standard revealed no significant difference (p = 0.50) using either display type.Conclusion Performance of the electronic ruler was equivalent to paper strips, which may aid assessment of variability on electronic monitors as paper strips become less prevalent.
Lianna M Hall; Daniel J Hannon; Gary G Leisk; Adam J Wolfberg; Michael D House
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-7
Journal Detail:
Title:  American journal of perinatology     Volume:  -     ISSN:  1098-8785     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8405212     Medline TA:  Am J Perinatol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.
Department of Mechanical Engineering, Tufts University, Medford, Massachusetts.
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