Mangled Extremity Severity Score (MESS)
Mangled Extremity Severity Score (MESS) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the Mangled Extremity Severity Score (MESS) → Runs in your browser. No signup, no tracking.
What this is
Mangled Extremity Severity Score (MESS) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Mangled Extremity Severity Score (MESS) - 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
Johansen K, Daines M, Howey T, Helfet D, Hansen ST Jr. Objective criteria accurately predict amputation following lower extremity trauma. J Trauma. 1990;30(5):568-573. Read the source ↗
Worked example: MESS 7 (ischemia subscore doubled for ischemia time > 6 h): at or above the threshold of 7 historically associated with amputation.
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.