KCNQ2 and Seizure: Ictal EEG was characterized by focal, low‐voltage, fast activity, followed by recruiting theta rhythms and bilateral, focal, spike‐wave complexes, alternatively localized to one hemisphere and subsequently diffusing to the other.” A description from Vilan et al21 of seizures in nine KCNQ2‐DEE infants under 1 month of age states, “Seizures were clinically evident in all patients, characterized by asymmetric tonic posturing accompanied by cyanosis, and at times followed by unilateral clonic activity.”