Radiation Exposure - Medical Tests - New York Times - The Diigo Meta page

• 26 Jan 08
  

  jamespdmd

  medical radiation xrays

• 20 Jun 07
  

  Jim Ski

  medical radiation xrays

  • Radiation doses for mammography are limited by federal law.) Radiation doses for the same procedure can vary drastically, as different machines in the hands of different practitioners deliver doses that vary by as much as a factor of 10, experts say.
  • Studies of atomic bomb survivors in Japan found a statistically significant increase in cancer at high levels of exposure — 50 millisieverts, or mSv
  • “It is worth noting that many CT scans and nuclear medicine studies have effective dose estimates in the range of 10 to 25 mSv for a single study
  • some patients have multiple studies; thus it would not be uncommon for a patient’s estimated exposure to exceed 50 mSv

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