SCN1A and Arrhythmia: Our results indicated were no significant differences in arrhythmia occurrence between Scn1a−/+ and Scn1a+/+ mice following diamide treatment (average arrhythmia score 1.179 ± 0.31 in Scn1a+/+ vs. 1.29 ± 0.25 in Scn1a−/+; p = 0.77) (Fig. 8A).