Ottawa ankle rules

(redirected from Ottowa Rules)
A set of guidelines to help doctors decide if a patient with foot or ankle pain should be X-rayed to rule out bone fracture. Rigorous application of the OARs have resulted in a 30% to 40% reduction in unnecessary X-rays, while retaining nearly 100% sensitivity

Ottawa ankle rules

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OAR

Practice guidelines developed in Canada in 1992 to reduce the number of unnecessary ankle x-rays in emergency departments. The inability to walk four steps or the presence of point tenderness over the posterior half of the lateral malleolus or the base of the fifth metatarsal warrant radiographic examination. See: modified Ottawa ankle rules

Ottawa ankle rules

An accurate clinical procedure for excluding the diagnosis of ankle and mid-foot fractures and reducing the number of unnecessary X-rays. Essentially, the rules are based on the presence or absence of bony tenderness and the ability or inability to bear weight. Analogous rules have been formulated for knee and head injuries.