PMC5541729_01
NI-FECG tracing in the Cardiolab Babycard program (case 1). Notice the presence of dropped beats on the NI-FECG channels. These are characteristic patterns of heart block
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PMC5541729_01_40748_2017_53_Fig1_HTML.jpg
Fig1
As shown in Fig. 1, the P-wave is not visible on either tracing or on the average fetal complexes. The drop of multiple cardiac beats is also visible on Fig. 1.
NI-FECG in the case of AV block for a fetus delivered at term (case 2). Notice the dropped beats in the NI-FECG FHR tracings
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PMC5541729_01_40748_2017_53_Fig2_HTML.jpg
Fig2
The NI-FECG revealed multiple dropped beats on the ECG (Fig. 2) and on the fetal heart rate (FHR) tracing (Fig. 3).  