NCEMI eTools

Ottawa knee rules
Decision rule for ordering knee x-rays in adults after acute trauma

Any "True" answer result in "Do x-ray"
Result:
Calculation requires an answer to the question:
"Unable to bear weight immediately and in ED?"
 
Unable to bear weight immediately and in ED?
True
False
 
Tender on patella?
True
False
 
Tender on fibular head?
True
False
 
Age over 55?
True
False
 
Unable to flex more than 90 degrees?
True
False
Calculate

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