Answer :
Final answer:
The Ottawa Knee Rules include criteria such as age 55 years or older, tenderness at the fibula's head, inability to flex the knee to 90 degrees, and inability to bear weight both immediately and in the ED. So the correct choice for the components listed in the question is 'none of the above'.
Explanation:
The Ottawa Knee Rules are a set of guidelines used to help determine whether a person with a knee injury should have an X-ray to rule out a fracture. According to these rules, an X-ray is indicated if the person meets any of the following criteria: age 55 years or older, isolated tenderness of the patella (kneecap), tenderness at the head of the fibula, inability to flex the knee to 90 degrees, and inability to bear weight both immediately and in the emergency department (able to take four steps).
These criteria are designed to be sensitive for detecting fractures that might otherwise go undiagnosed, which can lead to further complications. Regarding the question's choices, the correct option from the Ottawa Knee Rules is none of the above, since 'isolated patellar tenderness' is not one of the criteria, and the patient must have an inability to bear weight immediately and in the ED, which is not mentioned in the options provided.
