Radiation Risk

From WikiRad

Jump to: navigation, search
  1. Gray - Absorbed dose (organ)
  2. Sievert - Effective dose (region / whole body) - used for risk assignment (Sv)
  3. milliGray - CTDI and DLP (Scanner dose for phantoms)


  1. CT - 1 - 30 mSv
  2. cxr - .01 ct or .01 mSv (marrow)
  3. Background Denver - 1.8mSv
  4. Mammogram - .5 to 7mSv (breast)
  5. Airline Pessenger - .03 mSv


  • ?Cancer Risk
  1. 40-100 mSv protracted exposure
  2. 10-50 mSv acute exposure


Risk of fatal cancer to adults:

  • 4% per Sv (1 cancer death per 2500 people receiving 0.01Sv (1 rem)).
  • Risk 2-3 times higher in children
  • Risk lower in > 50 years old
Retrieved from "http://wikirad.com/index.php/Radiation_Risk"
Personal tools