This book covers aspects of new developments in the field of basic electrophysiology, cardiac pacing, implantable defibrillators and addresses socioeconomic aspects related to thse topics. The section on electrophysiology provides a comprehensive overview of basic hardware equipment, sudden death, heart rate variability, signal averaged ECG, RF catheter ablation and clinical decision making. The section on pacing includes overviews on new lead developments, pacing in cardiomyopathy, as well as VVIR & DDIR pacing and automatic mode switching. Finally the section on implantable defibrillator provides a detailed view of clinical and technical aspects of third generation devices. All chapters have been written by world experts in their fields and each chapter is fully illustrated with tables, ECG recordings and black and white photographs. The book should be of use to nurses, technicians, bioengineers, cardiologists, cardiovascular surgeons, health authorities and for all who are involved in the field of pacing and electrophysiology.