Ottawa XR Rules


Ottawa Ankle Rule

Ankle X-Ray is only required if:
There is any pain in the malleolar zone or midfoot zone
PLUS
Bony tenderness in A, B, C or D
-OR-
Inability to bear weight both immediately and in ED

 

Ottawa Foot Rule

Ankle X-Ray is only required if:
There is any pain in the Malleolar zone or Midfoot zone
PLUS
Bony tenderness in A, B, C or D
-OR-
Inability to bear weight both immediately and in ED

 

Ottawa Knee Rule

XR for any of the following:

  • pt. age 55 yr
  • Isolated tenderness of the patella
  • Tenderness at the head of the fibulla
  • Inability to flex knee to 90 degrees
  • Inability to walk 4 steps both immediately and in the ED