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Radiological Attack: Supporting Tables

Comparison of common radiation exposures with doses known to produce near-term health effects.

  Approx. dose (in rems)
Chest X-ray 0.03
Average annual dose from exposure to natural sources 0.2-0.3
CAT scan (whole body) 1
Recommended annual limit in occupational exposure (exclusive of medical exposures) 1 to 5 max per year
No symptons of illness 15
No symptoms of illness; minor, temporary decreases in white cells and platelets 50
Possible acute radiation syndrome; 10% will have nausea and vomiting within 48 hours and mildly depressed blood counts; 100
Half of those exposed will die within 30 days without medical care 300-4001
1Hall, EJ. 2000. Radiobiology for the Radiologist. Lippincott Williams & Wilkins.
Last Published Date: August 9, 2012
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