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Home Syncope
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Presyncope, cardiovascular etiology suspected, initial imaging 3194040
US echocardiography transthoracic resting
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		May be appropriate
MRI heart function and morphology without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI heart function and morphology without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CTA chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CTA coronary arteries with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
US duplex Doppler carotid artery
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
US echocardiography transesophageal
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
US echocardiography transthoracic stress
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without 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 head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
SPECT or SPECT/CT MPI rest only
1-10 mSv
☢☢☢
Usually not appropriate
SPECT or SPECT/CT MPI stress only
1-10 mSv
☢☢☢
Usually not appropriate
CT heart function and morphology with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
SPECT or SPECT/CT MPI rest and stress
10-30 mSv
☢☢☢☢ 		10-30 mSv [ped]
☢☢☢☢☢ 		Usually not appropriate