Book excerpt: This book provides a unique contemporary and succinct distillation of the current status of recently delineated electrical diseases of the heart, emphasizing their common and diverse clinical features. The latest developments in the field of experimental and clinical cardiac electrophysiology, genetics, pharmacology and interventional therapies of various clinical arrhythmogenic entities are featured and discussed in terms of recent advances in basic and clinical science. The book is divided into seven major parts. Each part consists of chapters (total of 64) dealing with related topics.