Cases in cardiac resynchronization therapy / [edited by] Cheuk-Man Yu, MD, FRCP (London/Edin), FRACP, FHKAM (Medicine), FHKCP, FACC, MBChB, Division of Cardiology, Department of Medicine and Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, David L. Hayes, MD, FACC, FHRS, Professor of Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota, Angelo Auricchio, MD, PhD, Director, Clinical Electrophysiology Unit, Fondazione Cardiocentro Ticino, Lugano, Switzerland; Professor of Cardiology, University of Magdeburg, Magdenburg, Germany.