Even in this time of uncertainty, Mayo Clinic is a place for hope and healing — and we're delivering the care you need. Mayo Clinic follows carefully designed, rigorously enforced safety precautions for anyone who needs face-to-face care. We're safely treating all patients, both in person and through virtual visits, in adherence with federal and state executive orders and guidance. Alfredo L. Clavell, M.D., is a cardiologist and medical director of the Heart Transplant Program within the Transplant Center at Mayo Clinic in Rochester, MN. His primary clinical interests include congestive heart failure, heart failure, heart valve disease, neurohumoral modulation in heart failure and nonpharmacologic therapies for heart failure.