Morton J. Kern, MD, with contributions from Samuel M. Butman, MD, Heart & Vascular Center of Northern Arizona, Cottonwood, Arizona; Lloyd W. Klein MD, Rush University, Chicago, Illinois; Gregory J. Dehmer, MD, Texas A&M College of Medicine, Temple, Texas; Ajay Kirtane, MD, Columbia University/New York-Presbyterian Hospital, New York City, New York; Neal Kleiman, MD, Houston Methodist, Weill Cornell Medical College, Houston, Texas; Bonnie H. Weiner, MD, University of Massachusetts, Worchester, Massachusetts; Barry Borlaug, MD, Mayo Clinic, Rochester, Minnesota; Paul Teirstein, MD, Scripps Clinic, La Jolla, California; Kirk Garrett, MD, Christiana Hospital System, Wilmington, Delaware.