Fractional Excretion of Uric Acid (FEUA)
Fractional Excretion of Uric Acid (FEUA) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
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What this is
Fractional Excretion of Uric Acid (FEUA) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Fractional Excretion of Uric Acid (FEUA) - 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
Fractional excretion of uric acid = 100 x (UUA x SCr) / (SUA x UCr); used in the hyponatremia / SIADH / cerebral-salt-wasting workup. (Decaux G, et al; standard nephrology references.) Read the source ↗
Worked example: Fractional excretion of uric acid 8.3% — within normal range (4-11%).
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