Listen to the editor's page for this special issue of JACC focusing on key advancements in electrophysiology, including studies on atrial fibrillation prevention, pulsed field ablation, sudden cardiac arrest in young athletes, and efforts to reduce defibrillator use in congenital heart disease. Join Editor-in-Chief Harlan Krumholz as he covers pacemaker safety, device surveillance—including insights from former FDA Commissioner Robert Califf—and emerging topics like AI monitoring and ablation mapping strategies.