This book provides a broad knowledge base and practical insight into the current state of the field of cardiac electrophysiology. It will be useful for electrophysiologists, general cardiologists, cardiology or electrophysiology fellows, and any physicians and researchers who are interested in heart rhythm disorders. The book explores the cellular and physiological basis of cardiac electrophysiology and regional anatomy for invasive electrophysiologists. It covers every aspect, including but not limited to pathophysiology, diagnosis, and management of heart rhythm disorders. Each topic is covered with a sample case study, and the book presents 77 case studies in eight different sections.