Emergency Medicine · Orthopaedics
Ottawa Ankle Rules calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
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0
Neither ankle nor foot radiograph criterion met
Band: Neither ankle nor foot radiograph criterion met
Interpretation. Neither ankle nor foot radiograph criterion met
Suggested management. The Ottawa rule does not indicate ankle or foot radiography.
Ottawa Ankle Rules: 0 — Neither ankle nor foot radiograph criterion met. Interpretation: Neither ankle nor foot radiograph criterion met What to do: The Ottawa rule does not indicate ankle or foot radiography. Inputs: Pain in the malleolar zone: false; Bone tenderness at posterior edge/tip of lateral malleolus: false; Bone tenderness at posterior edge/tip of medial malleolus: false; Pain in the midfoot zone: false; Bone tenderness at base of fifth metatarsal: false; Bone tenderness over navicular: false; Unable to bear weight for 4 steps both immediately and in evaluation: false Source: Stiell IG et al. Decision rules for radiography in acute ankle injuries: refinement and validation. JAMA (1993)
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Clinical inputs
- Pain in the malleolar zone
- Bone tenderness at posterior edge/tip of lateral malleolus
- Bone tenderness at posterior edge/tip of medial malleolus
- Pain in the midfoot zone
- Bone tenderness at base of fifth metatarsal
- Bone tenderness over navicular
- Unable to bear weight for 4 steps both immediately and in evaluation
Primary source
Stiell IG et al. Decision rules for radiography in acute ankle injuries: refinement and validation. JAMA (1993)
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