Why the study?
Can computing fetal vectorcardiograms in a fetal reference frame remove signal variability in abdominal fetal ECG recordings?
Can computing fetal vectorcardiograms in a fetal reference frame remove signal variability in abdominal fetal ECG recordings?
Computing fetal vectorcardiograms in a fetal reference frame can remove signal variability in abdominal fetal ECGs before 28 weeks of gestation, potentially enabling diagnostic use of the QRS complex.
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May aid early fetal ECG analysis; leaves open clinical validation in prospective studies.
The results of a study in which multi-lead simultaneous recordings of the abdominal fetal electrocardiogram (FECG) have been made are presented. A homogeneous volume conduction model based on the actual recorded geometry was made. Using this model, fetal vectorcardiograms (FVCGS) were computed. Before 28 weeks of gestation the inter- and intra-individual variability of the observed signals could be removed by computing FVCGs in a fetal reference frame. This opens up the possibility of using the shape of the QRS complex for diagnostic purposes.
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Oostendorp et al. (1989) studied this question.
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