Significance of the fractional excretion
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Carvounis, Christos P.; Nisar, Sabeeha; Guro-Razuman, Samerah
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Article
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2002
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Nature Publishing Group
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English
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## Background: Fractional excretion of sodium (fena) has been used in the diagnosis of acute renal failure (arf) to distinguish between the two main causes of arf, prerenal state and acute tubular necrosis (atn). however, many patients with prerenal disorders receive diuretics, which decrease sodiu