• Der Radiologe · Oct 2010

    Review

    [Radiation hygiene in medical X-ray imaging: part 2: Assessment of radiation exposure and radiation protection measures].

    • G Brix, R Veit, and U Häusler.
    • Fachbereich Strahlenschutz und Gesundheit, Abteilung für Medizinischen und Beruflichen Strahlenschutz, Bundesamt für Strahlenschutz, Ingolstädter Landstr. 1, 85764, Neuherberg, Deutschland. gbrix@bfs.de
    • Radiologe. 2010 Oct 1; 50 (10): 913-25; quiz 926-7.

    AbstractIn order to secure and continually improve radiation protection standards in the field of medical X-ray imaging, the German X-Ray Ordinance requires that each individual examination be properly justified and that any procedure undertaken be optimized. Diagnostic reference levels have been introduced in Germany as a measure of optimization for common and/or high-dose X-ray procedures, and are regularly checked for compliance by the competent Medical Experts Office. A prerequisite for the implementation of these regulatory requirements is the determination of readily measurable dose quantities. They also form the basis for the estimation of organ doses and of the effective dose for exposure and risk assessment. The aim of this paper is to describe the essential dosimetric concepts and methods used for the assessment of radiographic, fluoroscopic, and CT procedures. In addition, practical measures for reducing the radiation exposure of patients and personnel will be discussed.

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