Department of Radiology, University of Southern California, Keck School of Medicine;
University of Southern California, Keck School of Medicine;
Division of Cardiovascular Medicine, Department of Internal Medicine, University of Southern California, Keck School of Medicine;
Computed; tomography; echocardiography; Magnetic; resonance; imaging; Mitral; annular; calcifications; Plain; radiography; Echocardiography; Computed; tomography; Cardiac; magnetic; resonance; imaging;