EDAN iM50, User Manual

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Patient Monitor User Manual Calculation
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22.5.3 Output Parameters
Items Unit English Full
Name/Description Formula
URNaEx mmol/24h Urine sodium excretion URNaEx (mmol/24h) = URNa
(mmol/L) × Urine (ml/24h)/1000
URKEx mmol/24h Urine potassium excretion URKEx (mmol/24h) = URK
(mmol/L) × Urine (ml/24h)/1000
Na/K % Sodium potassium ratio Na/K (%) = URNa (mmol/L)/URK
(mmol/L) × 100
CNa ml/24h Clearance of sodium CNa (ml/24h) = URNa (mmol/L) ×
Urine (ml/24h)/SerNa (mmol/L)
CCr ml/min Creatinine clearance rate CCr (ml/min) = UCr ( μ mol/L) ×
Urine (ml/24h)/[SCr ( μ mol/L) × 24
× 60]
CUUN ml/min Urine urea nitrogen
clearance rate CUUN (ml/min) = UUN (mmol/L) ×
Urine (ml/24h)/[BUN (mmol/L) ×
24 × 60]
FENa % Fractional excretion of
sodium FENa (%) = [URNa (mmol/L) × SCr
(
μ mol/L)]/[Ucr ( μ mol/L) × SerNa
(mmol/L)] × 100
FEUr % Fractional Excretion of
Urea FEUr (%) = [SCr ( μ mol/L) × UUN
(mmol/L)]/[UCr ( μ mol/L) × BUN
(mmol/L)] × 100
Cosm ml/min Osmolar clearance Cosm (ml/min) = [Uosm
(mOsm/kgH
2
O) × Urine
(ml/24h)]/[Posm (mOsm/kgH
2
O) ×
24 × 60]
CH
2
O ml/24h Free water clearance CH
2
O (ml/24h) = Urine (ml/24h) -
Uosm (mOsm/kgH
2
O) × Urine
(ml/24h)/Posm (mOsm/kgH
2
O)
U/Posm / Urine to plasma
osmolality ratio U/Posm = Uosm
(mOsm/kgH
2
O)/Posm
(mOsm/kgH
2
O)
BUN/SCr / Blood urea nitrogen
creatinine ratio
BUN/SCr = [BUN (mmol/L)/SCr
(
μ mol/L)] × 1000
U/SCr / Urine-serum creatinine
ratio
U/SCr = UCr ( μ mol/L)/SCr
( μ mol/L)