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Radiation Doses

Rad Bio Final

QuestionAnswer
.5 rem fetal dose – entire pregnancy
5 rem annual dose RT
1 mrem OSL
5 mrem TLD
10 mrem film badge/ CXR dose
20 mrem GSD/ single c-spine
36 mrem 1 view mammo
150 mrem 1 view L spine
360 mrem Report 93 (old) yearly dose (295 mrem background; 65 mrem medical)
600 mrem UGI
620 mrem Report 160 (new) yearly dose (300 mrem medical – CT; 320 mrem background)
1000 mrem CT Abdomen
1 rad Delayed Mitosis
5 – 15 rad Embryonic Death
10 rad Decreased Sperm/delayed menstruation
> 20 rad 1st trimester – Death
25 rad Hematologic Depression
> 25 rad All or Nothing (Fetus) – Bushong's Rule
50 rad Depress Neutrophils/Platelets
100 rad Whole Body – ARS – Stage 1 (prodromal)
100-200 rad ARS – bone marrow can be repaired
100 – 1000 rad ARS – Stage 3 – Manifest – Bone Marrow
156 rem (1.56 Sv) Doubling Dose – 2x frequency of genetic mutations
200 rad Cataracts (threshold) and Erythema
250 rad Temporary Sterility (1 year)
350 – 400 rad LD 50/60
500 rad Permanaent Sterility
600 rad Full Blown ARS
600 – 5000 rad GI Syndrome (Stage 3)
1000 rad Eyes – All Cataracts
3000 rad Impotence (erectile dysfunction)
5000 rad CNS Syndrome
Popular Radiology sets

 

 



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