Fig. 1

(a) Fabrication processes of the MEA membranes; (b) Different electrode sizes and the complete device; (c) Impedance characterization curves of one 300-µm MEA membrane; (d) The MEA on fish.

Fig. 2

Apparatus formation and the measurement setup.

Fig. 8

Exemplary standard ECG patterns and exemplary conversion images for CNN training to indicate general differences in the presentation of wave morphology. (a) Control fish; (b–d) Mutant lines with phenotypes of AVB, SA and STE, respectively. Green: R peaks; Pink: P peaks.

Acknowledgments

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