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Radiation

A. Distinguish between exposure, absorbed dose and effective dose
  • Imaging & Therapeutic Technology
    AAPM/RSNA Physics Tutorial for Residents: Topics in CT: Radiation Dose in CT 
    Michael F. McNitt-Gray 
    Radiographics November 2002 22:1541-1553; doi:10.1148/rg.226025128
B. Understand the measurements for dose – CTDI, CTDI 100, dose length product
  • Imaging & Therapeutic Technology
    AAPM/RSNA Physics Tutorial for Residents: Topics in CT: Radiation Dose in CT 
    Michael F. McNitt-Gray 
    Radiographics November 2002 22:1541-1553; doi:10.1148/rg.226025128
C. Understand the weighting factor for various organs and tissues
  • Organ doses to adult patients for chest CT
    Walter Huda, Alexander Sterzik, Sameer Tipnis and U. Joseph Schoepf
    Med Phys. 2010 February; 37(2): 842–847. Published online 2010 January 27. doi: 10.1118/1.3298015PMCID: PMC2826387
D. Be able to read and understand the dose sheets produced by the CT scanner at the end of the examination
E. Dose minimization techniques in cardiac and vascular CT
  1. Scanner based
 
  • Technical Advances in Cardiac CT  (Abstract)
    Stephan Achenbach, Takeshi Kondo 
    Cardiology Clinics – February 2012 (Vol. 30, Issue 1, Pages 1-8, DOI: 10.1016/j.ccl.2011.11.002)
 
  2. Operator based
 
 
 
 F. Understand the implications in terms of dose of increasing the cranio-caudal field of view by “x” cm (e.g. 5 cm) in retrospectively gated cardiac CT.
G. Understand the dose savings from retrospectively gated to prospectively triggered CT.
H. Understand the dose savings from reducing the kvp from 120 to 100