Dennis A. Calnon, MD is the Director of Nuclear Imaging, OhioHealth Heart and Vascular Physicians, Riverside Methodist Hospital, Columbus, Ohio. Dr. Calnon received his Doctor of Medicine from The Pennsylvania State University in Hershey, completed his residency in Internal Medicine at the University of Michigan Hospitals in Ann Arbor, and completed his cardiovascular fellowship at the University of Virginia in Charlottesville. He is board certified in Cardiovascular Diseases, Nuclear Cardiology, Echocardiography, and Cardiovascular Computed Tomography. Dr. Calnon specializes in advanced cardiac imaging. In addition to his extensive professional and educational commitments, Dr. Calnon has authored numerous articles and several book chapters. He is a member of the Editorial Board for the Journal of Nuclear Cardiology and is President of the American Society of Nuclear Cardiology in 2022.