Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content + Download Section PDF ++ Eric N. Prystowsky, MD ++ Director, Cardiac Arrhythmia Service ++ St. Vincent Hospital ++ Indianapolis, Indiana ++ Consulting Professor of Medicine ++ Duke University Medical Center ++ Durham, North Carolina ++ ++ George J. Klein, MD ++ Professor of Medicine ++ Western University ++ London, Ontario, Canada ++ ++ James P. Daubert, MD ++ Professor of Medicine ++ Director, Cardiac Electrophysiology ++ Duke University Medical Center ++ Durham, North Carolina