Ernest Matthew Quin, M.D.,∗ Edmund Kenneth Kerut, M.D.,† Andy Paul Brown, M.D.,‡ and Ervin R. Fox, M.D.∗ ∗Division of Cardiology, Department of Medicine, University of Mississippi, School of Medicine, Jackson, Mississippi, †Heart Clinic of Louisiana, Marrero, Louisiana, Departments of Physiology and Pharmacology, LSU Health Sciences Center, New Orleans, Louisiana, and ‡Department of Radiology, ...