In this observational study of almost 2000 patients at 50 sites worldwide, researchers found the mean radiation dose of coronary CTA was 12 mSv (millisieverts), which is comparable to a nuclear stress test or an abdominal/pelvic CT (abstract). However, they did find tremendous variability (5mSv-30mSv) depending on protocol used, which reminds us to consider radiation exposure when weighing the risks and benefits of any radiologic diagnostic test.
Dr. Scheurer is a clinical hospitalist and the Medical Director of Quality and Safety at the Medical University of South Carolina in Charleston, South Carolina, and is Assistant Professor of Medicine. She is a graduate of the University of Tennessee College of Medicine, completed her residency at Duke University, and completed her Masters in Clinical Research at the Medical University of South Carolina. She also serves as the Web Editor and Physician Advisor for the Society of Hospital Medicine.