SCN5A and epilepsy: These included pathogenic variants in long QT syndrome genes (i.e. SCN5A, KCNH2, KCNQ1) in 7%, genes predisposing to malignant cardiac arrhythmia (i.e. ANK2, AKAP9, HCN4) in 15%, and epilepsy‐related genes were found in 25% of the cases.33