Spetzler-Martin AVM Grade (+ Lawton-Young)
Spetzler-Martin AVM Grade (+ Lawton-Young) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
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What this is
Spetzler-Martin AVM Grade (+ Lawton-Young) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Spetzler-Martin AVM Grade (+ Lawton-Young) - 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
Spetzler RF, Martin NA. A proposed grading system for arteriovenous malformations. J Neurosurg. 1986;65(4):476-483; Lawton MT, et al. A supplementary grading scale for selecting patients with brain AVMs for surgery. Neurosurgery. 2010;66(4):702-713. Read the source ↗
Worked example: Spetzler-Martin grade V (core sum 5); supplemented Spetzler-Martin–Lawton-Young total 8.
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