Radiation risk from medical imaging: Difference between revisions
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*Cerebral <100 | *Cerebral <100 | ||
*Cardiac cath <500 | *Cardiac cath <500 | ||
*Aortography <100 | |||
Aortography <100 | |||
===V/Q scan <215=== | ===V/Q scan <215=== | ||
(class C injectable technetium, xenon even safer) | *(class C injectable technetium, xenon even safer) | ||
==Pregnancy== | ==Pregnancy== | ||
Greatest risk during organogenesis (8-12wk) | *Greatest risk during organogenesis (8-12wk) | ||
*IV contrast not teratogenic (class B) | |||
IV contrast not teratogenic (class B) | *PO contrast not absorbed | ||
PO contrast not absorbed | |||
==EXPOSURE RISK (mrads)== | ==EXPOSURE RISK (mrads)== | ||
<5,000 = safe | *<5,000 = safe | ||
*~10,000 = small risk childhood CA | |||
~10,000 = small risk childhood CA | *~15,000^ = 6% chance mental retard | ||
*<3% chance childhood CA | |||
~15,000^ = 6% chance mental retard | |||
<3% chance childhood CA | |||
^Considered max | ^Considered max | ||
Always use sheild when possible | |||
==See Also== | |||
*[[Radiation exposure (disaster) | |||
==Source== | ==Source== | ||
*Rosen | |||
[[Category:Rads]] | [[Category:Rads]] | ||
Revision as of 04:26, 21 January 2015
Tests and Radiation Amounts
FLAT FILMS (mrad)
Low-dose
- Head <1
- C-spine <1
- Thracic spine <1
- CXR <1
- Extrem <1
High-dose
- L-spine <1250
- Pelvis <350
- Hip <450
- IVP <900
- Urethrocyst <1500
- KUB <500
CT (1cm slices)
- Head <50
- Chest <1000
- Upper abd <3000
- Lower abd <9000
ANGIO
- Cerebral <100
- Cardiac cath <500
- Aortography <100
V/Q scan <215
- (class C injectable technetium, xenon even safer)
Pregnancy
- Greatest risk during organogenesis (8-12wk)
- IV contrast not teratogenic (class B)
- PO contrast not absorbed
EXPOSURE RISK (mrads)
- <5,000 = safe
- ~10,000 = small risk childhood CA
- ~15,000^ = 6% chance mental retard
- <3% chance childhood CA
^Considered max
Always use sheild when possible
See Also
- [[Radiation exposure (disaster)
Source
- Rosen