Template:Ottawa knee rules

Ottawa knee rules

Ottawa knee rules points of tenderness (image of left knee).

X-ray is only required in patients who have an acute injury and one or more of the following:

• Age >55
• Isolated tenderness of the patella
• Tenderness at the fibular head
• Inability flex to 90 degrees
• Inability to walk 4 steps BOTH immediately after the injury and in the ED