University of Iowa
Department of Family Medicine

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General Clinical Resources - Clinical Scoring and Decision Rules - Ottawa ankle and foot rule


OTTAWA ANKLE RULES
for Ankle Injury Radiography

 

  1. An ankle x-ray series is only required if there is any pain in malleolar zone and any of these findings:
    1. bone tenderness at A   
         OR
    2. bone tenderness at B   
         OR
    3. inability to bear weight both immediately and in the emergency department

     

  2. A foot x-ray series is only required if there is any pain in midfoot zone and any of these findings:
    1. bone tenderness at C   
         OR
    2. bone tenderness at D   
         OR
    3. inability to bear weight both immediately and in the emergency department


Stiell IG, McKnight RD, Greenberg GH, et al. Implementation of the Ottawa Ankle Rules. JAMA 1994;271:827-32.


Ottawa Knee Rule