| |
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. |