Successful Isoproterenol Treatment for Ventricular Fibrillation Storm in Early Repolarization Syndrome With SCN5A Mutation. - Kim SS; Byoun JT; Joo D; Ko JS; Kim NH; Jeong HK (Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc, 2026)