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  • Title: Intrapartum ST segment analyses (STAN) using simultaneous invasive and non-invasive fetal electrocardiography: a report of 6 cases.
    Author: Reinhard J, Hayes-Gill B, Yuan J, Schiermeier S, Louwen F.
    Journal: Z Geburtshilfe Neonatol; 2014 Jun; 218(3):122-7. PubMed ID: 24999790.
    Abstract:
    The objective of this study was to analyze ST segment analyses (STAN) using simultaneous traditional - gold standard invasive (fetal scalp electrode) and newly available non-invasive abdominal fetal electrocardiography (fECG) during delivery.This was a prospective observational study of non-invasive fetal ECG using 5 abdominally sited electrodes (Monica AN24) against the traditional fetal scalp electrodes (STAN S31) on 6 patients. Data were analyzed when the STAN S31 found the baseline and when there was a baseline rise.Successful fECG signal acquisition was achieved in 6/6 (100%) patients. Using the non-invasive fECG, P and QRS waves were seen in all cases, and T waves in 3/6 (50%). ST segment analysis analysis was possible in 6/6 (100%) and 3/6 (50%) using invasive and non-invasive fECG, respectively.This study demonstrates that ST segment analysis is feasible using invasive and non-invasive fECG. Further studies are warranted to confirm the preliminary results and improve ECG morphology of non-invasive fECG.
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