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Medical Radiation Exposures

On March 5, 2020, Mahadevvappa Mahesh, PhD, Chief Physicist at the Johns Hopkins Hospital and Professor in the Johns Hopkins Medicine Department of Radiology and Radiological Science delivered a distinguished lecture on the recently published NCRP 184 and the medical radiation exposures of patients in the United States. The NCRP Report 184 updates a previous report published in 2009, NCRP 160, in medical radiation exposure information. In his talk, Dr. Mahesh highlighted the decrease of medical radiation exposure to patients in the United States, despite an observed increase of CT imaging procedures between 2006 and 2016. This decrease in dose exposure may be caused by the decline in some non-CT modalities imaging examinations, advances in medical imaging technologies, optimization of imaging protocols, and the increase of radiation awareness amongst health care practitioners in the past 10 years.

The lecture was immediately followed by a reception and town hall discussion, where Dr. Mahesh shared his career advice and social media strategies to Medical Physics students and faculty.