JNIV

‘Domus Medica’

Mercatorlaan 1200, 3528 BL UTRECHT

T: (030) 899 0654 (algemeen)

E: jniv@internisten.nl

Fractionele excretie van natrium

Fractionele excretie van natrium
Plasma natrium mmol/l
Urine natrium mmol/l
Plasma creatinine micromol/l
Urine creatinine micromol/l

Referentiewaarden
FENa <1% prerenaal
FENa >1% renaal
FENa >4% postrenaal

Referenties
Espinel et al. Differential diagnosis of acute renal failure. Clin Nephrol 1980 Feb;13(2):73-7.