Figure 5.

Example of data acquired from a 20-week pregnant cow using the prototype device. This device has eight channels (7 ECG and 1 PCG). The detected foetus QRS complexes are highlighted with solid squares across the ECG channels; first and second cardiac sounds are highlighted with a solid circles and dashed circles on the PCG channel respectively.

Gargiulo et al. BMC Veterinary Research 2012 8:164   doi:10.1186/1746-6148-8-164
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