RISE numbers Flashcards
pass the core lol
Major Spill Tc99m
> 100 mCi
Major Spill Tl 201
> 100 mCi
Major Spill In 111
> 10 mCi
Major Spill Ga 67
> 10 mCi
Major Spill I 131
> 1 mCi
1 rem = mSv
10 mSv
1 rad = mGy
10 mGy
1 rad = rem
1 rem
Annual Dose Limit: Public continuous
1 mSv continuous
Annual Dose Limit: Public infrequent
5 mSv infrequent
Annual Dose Limit: Unrestricted area
5 mSv per year
0.02 mSv/hr
Annual Dose Limit: Restricted Area
50 mSv per year
0.02 mSv/hr
Dose Limit: Radiation area
.05 mSv/hr at 30 cm
Dose Limit: High radiation hour
1 mSv/hr at 30 cm
Very high radiation area
500 rads/hr ( 5 Sv / 5k mSv/hr)
Annual occupational exposure limit: Total body
50 mSv
Annual occupational exposure limit: Occular lens
150 mSv
Annual occupational exposure limit: Total Equivalent Organ (+ skin)
500 mSv
Annual occupational exposure limit: Extremity
500 mSv
Total dose to fetus over gestation
5 mSv / Gestation (0.5 mSv/month)
Background annual radiation dose
3 mSv
Exposure field dose Sentinel event
15 Gy to a single exposure field
Reportable event (whole body dose / single organ dose)
> 50 mSV (whole body) / 500 mSv (single organ)
Reportable event (dose/treatment)
Wrong drug or route or dose (+/- 20%)
Recordable event
Wrong drug or route or dose with Whole body and single dose < 50 mSv and 500mSv
Packing labels 1 “White 1”
Surf < 0.005mSv (0.5 mrem) /hr; 1m = 0mSv/hr
Packing labels 2 “Yellow 2”
Surface < 0.5 mSv (50mrem)/hr ; 1m < 0.01 mSv (1 mrem)/hr
Packing labels 3 “Yellow 3”
Surface < 2 mSv (200mrem)/hr; 1m < 0.1 mSv (10mrem)/hr
Transportation index (White 1) max 1m dose
None
Transportation index (Yellow 2) max 1m dose
TI < 1mR/hr
Transportation index (Yellow 3) max 1m dose
TI > 1mR/hr
TI Limit for the truck
<= 10 mR/hr
Surface rate for carriers
<=2 mSv
Multiple packeges sum total max
<=50 mR
Acute radiation exposure syndrome <1 Gy
Vomiting: no
Skin redness: no
Action: Surveillance 5 weeks
Acute radiation exposure syndrome 1-2 Gy
Vomiting: 2-3 hours post
Skin redness: 12-24 hours post
Action: Surveillance 3 weeks, consider hospitalization
Acute radiation exposure syndrome 2-4 Gy
Vomiting: 1-2 hours
Skin redness: 8- 15 hours
Action: Burn center
Acute radiation exposure syndrome > 4 Gy
Vomiting: <1 hour
Skin redness: 1-6 hours post
Action: Admit special rad center
WB dose: Lymphocyte depression
0.25 Gy
WB dose: 30% chance of nausea
0.75 Gy - 1.25 Gy
WB dose: Lethal Dose 50/30
3-4 gy without tx
WB Dose: Lethal Dose 50/60 (Marrow)
3-4 Gy
Lethal Dose 50/4 (GI)
8-10 Gy
Lethal Dose CNS
20 Gy
Risk of cancer per Sievert
Adult 4-5%
Child 15%
Over 50 y.o. 1.5%
Dose to double the natural mutation rate?
1 Sv?
Risk of hereditary effect of radiation
0.002 x Dose
Genetically significant dose
0.25mSv
Fetal dose effect: 1-2 weeks
50-100mGy - potential loss
Fetal dose and effect 8-15 weeks
> 100-200 mGy -reduced head circ, metal retardation
IQ drop / Sv
30 pts / Sv (40% low IQ at 1Sv)
When does fetal thyroid begin to develop?
8 weeks
Early Transient Erythema (dose and timing)
2 Gy, hours
Severe robust erythema (dose and timing)
6 Gy, 1 week
Telangiectasia (dose and timing)
10 Gy, 52 weeks (1 yr)
Dry desquamation (dose and timing)
13 Gy, 4 weeks
Moist desquamation/ ulceration (dose and timing)
18 Gy, 4 weeks
Secondary ulceration (dose and timing)
24 Gy, >6 weeks
Hair temporary epilation (dose and timing)
3 Gy, 21 days
Hair permanent epilation (dose and timing)
7 Gy, 21 days
Male sterility temporary
0.15 Gy - 2.5 Gy
Male sterility permanent
5 Gy
Female sterility Age 12
10 Gy
Female sterility Age 45
2 Gy
Female sterility Age NOS
6 Gy
Acute threshold dose for chataracts
2.5 Gy (or 0.5 Gy)
Major Spill I-123
> 10 mCi
Radiochemical purity (tests and test name)
Free Tc, TLC
Radionuclide purity (tests and test name)
How much moly: dose calibrator
Chemical purity (tests and test name)
How much Al; pH paper
Allowable amount of Mo
<0.15 uCi per 1 mCi
Allowable amount of Al
< 10 ug per 1 mL
Allowable amount of Free Tc (pertech, SC, everything else)
5% pertechnetate
8% SC
9% everything else
Gamma Cam QC: How often energy peaking?
Daily
Gamma Cam QC: How often system/extrinsic uniformity?
Daily
Gamma Cam QC: How often intrinsic uniformity?
Weekly
Difference between intrinsic and extrinsic uniformity for gamma cam?
Extrinsic is with collimators, intrinsic without gamma camera
Gamma Cam QC: How often spatial resolution?
Weekly with 4 quadrant bar phantom
Gamma Cam QC: How often tomographic uniformity?
Quarterly Jaszczak phantom
Dose calibrator QC: How often do you do constancy?
Daily
Dose calibrator QC: How often do you do linearity?
Quarterly
Dose calibrator QC: How often do you test accuracy?
Annually
Dose calibrator QC: How often do you test geometry?
At installation or moved
Annual effect background radiation
3 mSv
Effective absorbed dose: CT A/P
10 - 15 mSv
Effective absorbed dose: CT Head
2 mSv
Effective absorbed dose: Reg CT Chest
7 mSv
Effective absorbed dose: Low dose CT Chest
1.5 mSv
Effective absorbed dose: Chest xray
0.1 mSv
Effective absorbed dose: Extremity xray
0.001 mSv
Effective absorbed dose: Coronary CTA
10-12 mSv (retrospective)
Effective absorbed dose: PET/CT
25 mSv
Effective absorbed dose: Mammography
0.4 mSv
Typical fetal dose: 2 view C-Spine Xray
<0.001 mGy
Typical fetal dose: Extremity xray
<0.001 mGy
Typical fetal dose: Chest xray
0.002 mGy
Typical fetal dose: T-spine xray
0.003 mGy
Typical fetal dose: Abdomen xray
1-3 mGy
Typical fetal dose: Head CT
0
Typical fetal dose: Chest CT
0.2 mGy
Typical fetal dose: CTA Cards
0.1 mGy
Typical fetal dose: Abdomen only
4 mGy
Typical fetal dose: Abdomen and Pelvis
25 mGy
Typical fetal dose: CTA CAP
34 mGy
