In recent decades, the prevalence of heart failure has steadily increased and can be considered a 'contemporary cardiovascular epidemic'. Therefore, treatment of heart failure is a primary focus of cardiovascular disease management strategies. "Cardiac Resynchronization Therapy" provides basic knowledge about congestive heart failure but also covers the evolution of cardiac resynchronization therapy and provides state-of-the-art information and future directions of this therapeutic tool. As CRT is a new therapy which still undergoes rapid advancement, it is imperative to provide updates in key issues. These include technological advances, the unique role of imaging to assess mechanical dyssynchrony, troubleshooting, recent key clinical trials, and the incorporation of monitoring capabilities into CRT or CRT plus defibrillation devices. "Cardiac Resynchronization Therapy" is an essential addition to your collection.