Summary
A classification of diagnostic X‐ray procedures according to degree of radiation hazard to the radiation worker is presented. It is based on an analysis of published radiation injury cases, on theoretical considerations and on experience in routine radiation protection surveys. The classification is qualitative rather than rigorous and procedures are grouped and ranked according to the following basic protection situations: radiography with all staff excluded from the “radiation area”, radiography with staff in the radiation area, fluoroscopy, and dangerous obsolete techniques.
A suggested code of practice for diagnostic X‐ray work in wards and operating theatres is appended.
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