The effective dose related to any radiologic procedure can be considered in the context of the annual effective dose to individuals from natural background radiation sources, including radon, cosmic rays, terrestrial, and internal sources. This background effective dose, approximately 3 mSv, does not pose a significant risk of future cancer to individuals.
About the author: Dr K K Aggarwal is Padmashri and Dr B C Roy National Awardee, President Heart Care Foundation of India, Dean Board of Medical Education Moolchand Medcity, Sr. Physician & Cardiologist, Visiting professor Clinical Research DIPSAR, Past President Delhi Medical Association, Past Academic and Research Wing Head IMA, Chairman Ethics Committee Delhi Medical Council.
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