Conclusions: RO, a benign form of SIADH, occurs commonly. A normal FEurate in a nonedematous hyponatremic patient is highly suggestive of RO. Determining FEurate is superior to serum urate. The therapeutic dilemma for RO must be resolved.
PMID: 22307440 [PubMed - as supplied by publisher] (Source: Journal of Nephrology)