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Home Dizziness and Ataxia
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Vertigo, acute, persistent, HINTS exam, consistent with central vertigo, initial imaging 3196966
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRA head and neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRA head and neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRA head and neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CTA head and neck with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
(Disagreement)
MRI cervical and thoracic spine with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI cervical and thoracic spine without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI cervical and thoracic spine without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head and internal auditory canal with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head and internal auditory canal without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head and internal auditory canal without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT temporal bone with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT temporal bone without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT temporal bone without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate