Ottawa Knee Rules
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
Ottawa Knee
About this calculator
The Ottawa Knee Rules is a clinical evaluation tool used to determine the need for imaging (radiography) in patients with possible knee injuries.
This rule was developed to help healthcare professionals identify patients who may not need imaging studies, thereby reducing the risk of radiation and healthcare costs.
The Ottawa Knee Rules is particularly useful in emergency and clinic settings, where rapid and effective assessment of injuries is crucial for informed decision-making.
Proper use of the Ottawa Knee Rules can help reduce the healthcare system's workload and ensure that patients receive the appropriate treatment for their injuries.
Frequently asked questions
What are the criteria for using the Ottawa Knee Rules?
The criteria include the presence of pain in the fibular area, pain when getting up from bed, age less than 18 years, and presence of pain in the hip area.
Can I use the Ottawa Knee Rules in patients with severe injuries?
No, the Ottawa Knee Rules is indicated for mild to moderate injuries, and should not be used in patients with severe injuries or suspected open fractures.
What should I do if the patient does not meet the criteria for the Ottawa Knee Rules?
In this case, it is recommended to perform imaging studies (radiography) to confirm or rule out the injury.
Is the Ottawa Knee Rules compatible with other clinical evaluation tools?
Yes, the Ottawa Knee Rules can be used in conjunction with other clinical evaluation tools for a more comprehensive and accurate evaluation.
What are the ethical implications of using the Ottawa Knee Rules?
The use of the Ottawa Knee Rules should be performed responsibly and ethically, considering the rights and safety of the patient.