Techniques : comparison with reference doses

• Reference doses are available, giving CTDIw and DLP for a range of common examinations

  • See http://www.drs.dk/guidelines/ct/quality/index.htm
  • Data based mainly on NRPB survey data from 1990

• NRPB, in association with the CT Users Group and ImPACT are updating this data. Survey data has been returned, and is being analysed

• CTDIw and DLP values are displayed on modern scanner consoles for comparison