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Lead bricks are commonly used as radiation shielding. Lead shielding refers to the use of lead as a form of radiation protection to shield people or objects from radiation so as to reduce the effective dose.
1 Ionising radiation, used in a variety of imaging procedures, can damage cells. 2  Lead shields are used on the patient and by the Radiographer to reduce exposure by shielding areas that do not need to be imaged from the radiation source.