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. 2016 Apr 29;6:25073. doi: 10.1038/srep25073

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(A) Scheme of ECG recording system. (B) Position of two recording probes. (C) Raw signal of 1 min gap free recording of adult zebrafish surface ECG. (D) Automatic identification and extraction of each heart beat cycle. (E) Overlay of extracted trace (Trace in gray) and measurement of ECG intervals based on average trace (Trace in red).