This program reviews the guidelines for determining which patients should receive coronary CT angiography (CCTA), highlights the differences between CCTA and coronary calcium testing, and explores the overall radiation risk of serial CCTA. Dr. Alan Brown talks to guest Dr. Seth Baum, expert on electrophysiology, interventional cardiology, coronary CT angiography, and clinical lipidology, and a founding member of the Society for Cardiovascular CT.