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According to this Harvard Medical article, in order to x-ray an arm or leg the average dose is 0.001mSv with a range reported in literature of 0.0002—0.1mSv. A lumbar spine x-ray would require an average of 1.5mSv with a range reported in literature of 0.5—1.8mSv. Therefore, it would be safe to say that dosages are adjusted according to the part of the body ...


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"Effective dose" is not a physical quantity, but a calculated summary value meant to evaluate the risk of some radiation exposure to other sources and to set occupational limits. From Fisher & Fahey 2017: Effective dose is a mathematical construct, concept, or surrogate of risk, used in radiation protection as the basis for calculating annual ...


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