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The fetal ECG throughout the second half of gestation
T F Oostendorp1, A van Oosterom, H W Jongsma
1Laboratory of Medical Physics and Biophysics, University of Nijmegen, The Netherlands.
Abstract:
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.