This book addresses the tough clinical issues faced by electrophysiologists and cardiologists who treat patients with Cardiac Implantable Electrical Devices (CIEDs) in real-world practice. With contributions from widely recognized international leaders in the field, this 10-chapter resource covers a variety of controversies with CIEDs, from discerning what device is appropriate to use for heart failure to ethical issues in their use at the end of a patient’s life. To supplement these discussions, chapters review opposing positions on both sides of a controversy and present clinical material to illustrate the different perspectives. Clinical Controversies in Device Therapy for Cardiac Arrhythmias is an essential resource not only for physicians, residents, and fellows in cardiac electrophysiology and cardiology but also for associated professionals including nurses and technicians who work with CIEDs.