Modern pacemakers are a boon to human life. The latest developments and concerns related to pacemaker therapy have been described in this insightful book. Patients with implanted pacemakers or defibrillators are commonly found in several healthcare settings. As these devices may be accountable for, or contribute to a number of clinically important issues, familiarity with their functionality and potential problems aids patient management. The aim of this book is to highlight various clinically significant issues and current developments of pacemaker therapy including device investigation, implantation and management of complexities. Research and innovations on the frontiers of this technology have also been elucidated as they have a scope of greater applications in future. This book should appeal to clinicians involved in the management of patients with implanted antiarrhythmic devices and veteran researchers engaged in the field of cardiac implants.