Fractional excretion of uric acid

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In water-electrolyte imbalance, Fractional excretion of uric acid (FEUA) is defined as fraction of uric acid filtered by the kidneys that is then excreted by the kidneys.

The normal values are:

6 to 12%^[1]
4 to 11%^[2]

Diagnosis of causes of hyponatremia

In the diagnosis of hyponatremia:

A value of 4% for less suggests prerenal causes^[2].
A normal value (4 to 11%) suggests psychogenic polydipsia or reset osmostat^[2].
If the FEUA is high (higher than 11%), this suggests SIADH, thiazide-induced hyponatremia, or renal salt wasting^[2].

External links

References

↑ Berger L, Yü TF (1975). "Renal function in gout. IV. An analysis of 524 gouty subjects including long-term follow-up studies". Am J Med. 59 (5): 605–13. doi:10.1016/0002-9343(75)90222-3. PMID 1200033.
↑ ^2.0 ^2.1 ^2.2 ^2.3 Maesaka JK, Imbriano LJ, Miyawaki N (2018). "Determining Fractional Urate Excretion Rates in Hyponatremic Conditions and Improved Methods to Distinguish Cerebral/Renal Salt Wasting From the Syndrome of Inappropriate Secretion of Antidiuretic Hormone". Front Med (Lausanne). 5: 319. doi:10.3389/fmed.2018.00319. PMC 6284366. PMID 30560127.

[pmid1200033-1] Berger L, Yü TF (1975). "Renal function in gout. IV. An analysis of 524 gouty subjects including long-term follow-up studies". Am J Med. 59 (5): 605–13. doi:10.1016/0002-9343(75)90222-3. PMID 1200033.

[pmid30560127-2] 2.0 ^2.1 ^2.2 ^2.3 Maesaka JK, Imbriano LJ, Miyawaki N (2018). "Determining Fractional Urate Excretion Rates in Hyponatremic Conditions and Improved Methods to Distinguish Cerebral/Renal Salt Wasting From the Syndrome of Inappropriate Secretion of Antidiuretic Hormone". Front Med (Lausanne). 5: 319. doi:10.3389/fmed.2018.00319. PMC 6284366. PMID 30560127.

[1]

[2]

Fractional excretion of uric acid

Contents

Diagnosis of causes of hyponatremia

See also

External links

References

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