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Home Imaging of Suspected Intracranial Hypotension
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Obtundation, intracranial hypotension suspected on initial brain imaging, next imaging study 3197437
MRI complete spine without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI complete spine without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT myelography complete spine
30-100 mSv
☢☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiographic myelography digital subtraction complete spine
10-30 mSv
☢☢☢☢
Usually not appropriate
MR myelography complete spine
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI complete spine with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
DTPA cisternography
1-10 mSv
☢☢☢
Usually not appropriate
CT complete spine with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT complete spine without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT complete spine without IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT myelography dynamic complete spine
30-100 mSv
☢☢☢☢☢
Usually not appropriate