1. Epidemiology of heart failure / Edoardo Gronda and Daniela Pini -- 2. Pathobiology of left ventricular dyssynchrony / David D. Spragg, Robert H. Helm, and David A. Kass -- 3. Optimal medical therapy for heart failure with low ejection fraction : when to consider cardiac resynchronization therapy? / Mariell Jessup -- 4. Determinants of remodeling in systolic heart failure / John Harding and Thomas Cappola -- 5. Summary of all large randomized trials / Rajkumar K. Sugumaran, Garrie J. Haas, and William T. Abraham -- 6. Cardiac resynchronization therapy in special populations / Maria Rosa Costanzo and Mary Norine Walsh -- 7. Structural and functional left ventricular remodeling in heart failure with cardiac resynchronization therapy / Hind Rahmouni, Ted Plappert, and Martin St. John Sutton -- 8. Selecting appropriate patients for cardiac resynchronization therapy : what can we learn from clinical trial evidence? / Philip B. Adamson -- 9. Anatomy of the coronary venous system / Monique R.M. Jongbloed, Martin J. Schalij, and Adriana C. Gittenberger-de Groot -- 10. Implantation of cardiac resynchronization devices / Samuel J. Asirvatham -- 11. Optimization of atrioventricular delay during cardiac resynchronization therapy / S. Serge Barold. [et al.] -- 12. Optimization of the interventricular (V-V) interval during cardiac resynchronization therapy / S. Serge Barold. [et al.] -- 13. Complications of cardiac resynchronization therapy / Christoph Stellbrink -- 14. Non-responders and patient selection from an electrophysiological perspective / Ignacio Garcia-Bolao and Alfonso Macias -- 15. Asynchrony in coronary artery disease / Alison Duncan and Michael Henein -- 16. Assessment of left ventricular dyssynchrony for the prediction of response to CRT : the role of conventional echocardiography and 3D echocardiography / E. Liodakis -- 17. Left ventricular dyssynchrony in predicting response and patient selection / Cheuk-Man Yu, Qing Zhang, and Jeffrey Wing-Hong Fung -- 18. Echocardiographic determination of response to cardiac resynchronization therapy / John Gorcsan -- 19. Impact of cardiac resynchronization therapy on mitral regurgitation / Ole-A Breithardt -- 20. Non-responders and patient selection from an echocardiographic perspective / Richard A. Grimm -- 21. Use of devices with both cardiac resynchronization and cardioverter-defibrillator capabilities / Arthur M. Feldman, Reginald T. Ho, and Behzad Pavri -- 22. Efficacy of cardiac resynchronization therapy in atrial fibrillation / Cecilia Linde -- 23. Cardiac resynchronization therapy in patients with an indication for permanent pacing for atrioventricular block or symptomatic bradycardia / Gustavo Lopera and Anne B. Curtis -- 24. Cardiac resynchronization therapy in right bundle branch block / Antonio Berruezo and Ignacio Fernandez-Lozano -- 25. Cardiac resynchronization therapy in mildly symptomatic heart failure / John Rogers, Jigar Patel, and J. Thomas Heywood -- 26. Cardiac resynchronization therapy in patients with narrow QRS / Barbara Vidal, Marta Sitges, and Lluis Mont.