NORMAN, Oklahoma, Feb. 4 -- The University of Oklahoma issued the following news release: * * * Sivaram Named Master of American College of Cardiology OKLAHOMA CITY - Chittur A. Sivaram, M.D., a David Ross Boyd Professor in the University of Oklahoma College of Medicine and a cardiologist with OU Health, has been named a Master of the American College of Cardiology (MACC). This is the first time an Oklahoma cardiologist has received the honor. The MACC designation recognizes a highly selecti  more