Physician Knowledge of Radiation Exposure and Risk in Medical Imaging

By: Jason B. Hobbs, MD, Noah Goldstein, BS, Kimberly E. Lind, PhD, MPH, Deirdre Elder, MS, Gerald D. Dodd III, MD, James P. Borgstede, MD

Medical imaging is an increasingly important source of radiation exposure for the general population, and there are risks associated with such exposure; however, recent studies have demonstrated poor understanding of medical radiation among various groups of health care providers. This study had two aims: (1) analyze physicians’ knowledge of radiation exposure and risk in diagnostic imaging across multiple specialties and levels of training, and (2) assess the effectiveness of a brief educational presentation on improving physicians’ knowledge.

From 2014 to 2016, 232 health care providers from multiple departments participated in an educational presentation and pre- and postpresentation tests evaluating knowledge of radiation exposure and risk at a large academic institution.

Knowledge of radiation exposure and risk was relatively low on the prepresentation test, including particularly poor understanding of different imaging modalities, with 26% of participants unable… [Read more]

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