Biochemical assessment
Pre-renal cause |
Renal cause | |
Urine osmolality (mOsmol/kg) |
>500 |
<400 |
Urine Na (mmol/l) |
<20 |
>40 |
Urine:Plasma creatinine |
>40 |
<20 |
Fractional Na excretion* |
<1 |
>2 |
iCOxUrinePbsma [Ni-] UmePlarna. [Creatinine] |
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