This volume reviews current pathophysiologic concepts and describes state-of-the-art techniques for management of cardiac arrhythmias in children and young adults with congenital heart disease. The book provides a thorough understanding of cardiac electrophysiology and detailed technical information on catheter ablation, pacemakers, and implantable defibrillators.Coverage includes a "how-to" chapter on three-dimensional mapping techniques for localizing arrhythmias. A chapter by world-renowned experts examines current treatment options for postoperative atrial tachycardia. The book also includes a review of the anatomy of the cardiac conduction system and a discussion of new findings in molecular genetics that relate to hereditary arrhythmias.