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Related Experiment Video

Updated: Apr 6, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
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Patient-based radiographic exposure factor selection: a systematic review.

William Ching1, John Robinson1, Mark McEntee1

  • 1Discipline of Medical Radiation Sciences, University of Sydney Lidcombe, New South Wales, Australia.

Journal of Medical Radiation Sciences
|August 1, 2015
PubMed
Summary

Digital radiography

Area of Science:

  • Radiologic Technology
  • Medical Imaging

Background:

  • Digital imaging's wide exposure latitude can mask underexposure/overexposure, impacting diagnosis and patient dose.
  • Exposure errors stem from incorrect factor adjustments for patient thickness variations.

Purpose of the Study:

  • To identify published radiographic exposure adaptation systems used in general radiography.
  • To discuss their applicability to digital radiography systems.

Main Methods:

  • Systematic review of EMBASE, MEDLINE, CINAHL, and SCOPUS databases.
  • Manual search in The Radiographer and Radiologic Technology journals.
  • Inclusion of studies demonstrating exposure factor alteration for patient variations.

Main Results:

Keywords:
Exposureradiography

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  • 11 articles from databases and 13 from journals discussed exposure adaptation systems.
  • Identified systems include one-step guidelines, comprehensive charts, and computer programs.

    • Conclusions:

    • Limited assessment of exposure adjustment system efficacy found.
    • No literature compares film/screen vs. digital radiography adaptation systems.
    • No digital-specific exposure adaptation systems identified in the literature.