Supraventricular Tachycardia Without Preexcitation as a Cause of Cardiac Arrest

Background: Supraventricular tachycardia (SVT) without the presence of ventricular preexcitation in pediatric patients with a structurally normal heart is generally considered a benign condition. However, in children with fast atrioventricular nodal (AVN) conduction, SVT can be rapid and potentially life threatening. Objective: We report cases in which cardiac arrest was the first manifestation of SVT. Methods: This is a single center retrospective review. Patients less than 21 …