Easily calculate Fractional Excretion of Urea (FEUrea) to evaluate kidney function and tubular handling of urea. This crucial nephrology tool helps differentiate acute kidney injury etiologies, aiding medical diagnosis and treatment planning quickly and accurately.
Formula:
FEUrea (%) = [(Urine Urea × Plasma Creatinine) / (Plasma Urea × Urine Creatinine)] × 100
Where:
- Urine Urea (UU): Urea concentration in urine (e.g., mg/dL)
- Plasma Creatinine (PCr): Creatinine concentration in plasma or serum (e.g., mg/dL)
- Plasma Urea (PU): Urea concentration in plasma or serum (e.g., mg/dL)
- Urine Creatinine (UCr): Creatinine concentration in urine (e.g., mg/dL)
Important: Ensure all input values use consistent units (e.g., all in mg/dL). Inconsistent units will lead to incorrect results.