Originally Posted by facialfreak

0-50 rads - No obvious short-term effects

80-120 rads - You have a 10% chance of vomiting and experiencing nausia for a few days

130 -170 rads - You have a 25% chance of vomiting and contracting other symptoms

180-220 rads - You have a 50% chance of vomiting and having other severe physical effects

270-330 rads - 20% chance of death in 6 weeks, or you will recover in a few months.

400-500 rads - 50% chance of death

550-750 rads - Nausia within a few hours ; no survivors

> 1000 rads - immediate incapacitation and death within a week or less.



http://radiology.rsna.org/content/130/3/789.abstract