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Home Acute Trauma to the Ankle
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Ankle trauma, does not meet requirements for Ottawa rules evaluation, initial imaging 3191911
Radiography ankle
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
CT ankle without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		May be appropriate
US ankle
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Radiography ankle stress views
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRI ankle without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI ankle without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT ankle with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT ankle without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Bone scan ankle
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate