This book focuses on the practical aspects of clinical electrophysiology of cardiac arrhythmias in the young. It represents a compilation of the clinical course, electrophysiologic studies, pharmacological management, and transcatheter ablation therapy in patients from infancy through young adulthood. Topics include the mechanism, ECG characteristics, electrophysiologic findings, treatment, and prognosis of tachyarrhythmias and bradyarrhythmias; specialized subjects including syncope, cardiac pacemakers, and implantable cardiac defibrillators; pharmacology of antiarrhythmic agents; and the roles of allied healthcare professionals in the management of arrhythmias in the young.  This revised edition includes new or expanded chapters on the molecular biology mechanisms that underlie the structure and function of the cardiac conduction system; new navigation technologies for detecting cardiac arrhythmias while minimizing radiation exposure; genetic disorders of the cardiac impulse; and sudden cardiac death in the young, particularly athletes. Featuring contributions from practicing clinical cardiac electrophysiologists affiliated with the Michigan Congenital Heart Center at the University of Michigan, Clinical Cardiac Electrophysiology in the Young, Second Edition, is a premier reference for cardiologists, residents, and medical students.