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Ottawa Ankle Rule

If any criterion is present, ankle/foot series is commonly recommended in teaching pathways.

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Check all that apply:

Tenderness along posterior edge or tip of lateral malleolus (distal 6 cm) Tenderness along posterior edge or tip of medial malleolus (distal 6 cm) Inability to bear weight both immediately after injury and in ED for 4 steps For midfoot pain: tenderness at base of 5th metatarsal OR navicular

Result

How it works

The Ottawa ankle rule helps decide when radiography is needed after acute ankle/midfoot injuries.

Limits

Does not replace exam for syndesmotic injury, Maisonneuve pattern, or pediatric nuances.

Educational tool only—not for diagnosis or treatment decisions.

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