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The Ottawa ankle rules (4). |
| An ankle x-ray series is only necessary if there is pain in the malleolar zone and any of the following: |
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| 1. Bone tenderness at the posterior edge or tip of the lateral mallelous, or |
| 2. Bone tenderness at the posterior edge or tip of the medial mallelous, or |
| 3. Inability to weight bear both immediately and in the emergency department |
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| A foot x-ray series is only necessary if there is pain in the midfoot zone and any of the following: |
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| 1. Bone tenderness at the base of the 5th metatarsal, or |
| 2. Bone tenderness at the navicular bone, or |
| 3. Inability to weight bear both immediately and in the emergency department |
Houghton Pediatric Rheumatology 2008 6:6 doi:10.1186/1546-0096-6-6 |