Miguel A. Quiñones, MD, MACC, FASE is the Winters Family Distinguished Centennial Chair in Cardiovascular Education. Dr. Quiñones has been one of the pioneers in the field of echocardiography over the past 40 years. He has received significant worldwide recognition for his groundbreaking contributions in echocardiography, both as a teacher and as an investigator in developing noninvasive, echocardiographic methods to measure left ventricular volumes and ejection fraction, cardiac output and regurgitant volumes in mitral and aortic insufficiency.From 1977 to 2005, Dr.