

The Ottawa knee rules are a tool used in the primary care setting to identify which cases of knee injury require radiographic imagery. Various studies have identified values of sensitivity ranging from 84.6 to 100% (see references below). The contents of the Ottawa knee rules are similar to those of the Ottawa ankle rules we have covered in another video
Execution:
According to the protocol X-Rays should be done if any of the following criteria apply:
Another common rule to screen for fractures in the knee joint is the Pittsburgh Decision Rule.
If you are curios about screening for ankle fractures, check out the following posts: