Hartzell V. Schaff, M.D., is a cardiovascular surgeon at Mayo Clinic in Rochester, MN. His primary clinical interests include congenital heart disease, coronary artery disease, heart valve disease and hypertrophic cardiomyopathy. Dr. Schaff performs common and rare procedures such as aortic arch replacement, aortic root surgery, aortic valve repair and replacement, apical myectomy, congenital heart disease surgery, coronary bypass surgery, maze procedure, minimally invasive heart surgery, mitral valve repair and replacement, pericardiectomy, pulmonary valve repair and replacement, septal myectomy, thoracic aortic aneurysm surgery, tricuspid valve repair and replacement, and valve-sparing aortic root replacement. In addition to his clinic work, Dr. Schaff is a member of the Heart Valve Society of America.