Diagnosis of LQTS type 2 (LQT2) was confirmed by ECG and the detection of potassium voltage-gated channel subfamily H member 2 gene (KCNH2) mutation and epilepsy was ruled out and all AEDs were withdrawn based on her normal 24-h video electroencephalograph (VEEG) monitoring. This evidence concerns the gene KCNH2 and epilepsy.