Affiliation: | Division of Cardiology, Department of Medicine (Drs. Gin, Rao, and Thadani), Department of Radiology (Drs. Dyverfeldt and Hope), and Cardiac Biomechanics Laboratory (Dr. Chitsaz), University of California, San Francisco, San Francisco, California 94143; and Division of Cardiology, Department of Medicine (Dr. Thadani), California Pacific Medical Center, San Francisco, California 94115 |