By Jeannean Hall Rollins, MRC, BSRT(R)(CV), Associate Professor, Medical Imaging and Radiation Sciences Arkansas State University Jonesboro, AR, USA ; Bruce W. Long, MS, RT(R)(CV), FASRT, FAEIRS, Director and Associate Professor (Retired), Radiologic Imaging and Sciences Programs, Indiana University School of Medicine, Indianapolis, Indiana. and Tammy Curtis, PhD, RT (R)(CT)(CHES), Professor and Director Radiologic Sciences, Northwestern State University, Shreveport, Louisiana