Ottawa Ankle Rules
Ottawa Ankle Rules - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the Ottawa Ankle Rules → Runs in your browser. No signup, no tracking.
What this is
Ottawa Ankle Rules is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Ottawa Ankle Rules - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Stiell IG, Greenberg GH, McKnight RD, Nair RC, McDowell I, Worthington JR. A study to develop clinical decision rules for the use of radiography in acute ankle injuries. Ann Emerg Med. 1992;21(4):384-390.
Worked example: No imaging indicated by Ottawa Ankle Rules per Stiell 1992.
Sophie Well is a reference and educational tool. Not medical, legal, or financial advice. Does not replace clinician judgment, professional billing review, or legal counsel.