"Fully revised and updated for its Fourth Edition, this classic text provides a thorough understanding of the mechanisms of cardiac arrhythmias and the therapeutic interventions used to treat them. The book details electrophysiological methods for defining the mechanism and site of origin of arrhythmias in an effort to provide safe and effective therapy. Close attention is given to the mechanisms, clinical implications, and current therapeutic options, including drugs, implantable devices, and catheter and surgical ablation. With over 1,100 newly designed, full color illustrations, this edition clearly defines the concepts and techniques presented in the text."--BOOK JACKET.