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What is Regarding FeNa, which of the following is true? and explain in detail?
Fractional excretion of sodium (FeNa) FeNa is the urine:plasma ratio of sodium divided by U:P of creatinine * 100 Neonates have higher FeNa because of tubular immaturity. FeNa is higher in preterm neonates due to immaturity of sodium reabsorptive capacity. FeNa may be affected by diuretics use. Classical lab findings in AKI- Type U Na FeNa Prerenal <10 <1% Intrinsic >20 >2% Postrenal >40 >4%