The Roanoke Heart Institute PLC (RHI) is a referral center that provides comprehensive noninvasive cardiac imaging services as well as clinical consultation for patients with cardiovascular diseases, including prevention, early detection and treatment of diseases such as atherosclerosis ("hardening of the arteries") and chronic heart failure.Our Services‧Meet Dr. Schmedtje‧VCIRC.ORG‧Privacy Practices‧Links‧Contact Us.