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Fractional Excretion of Sodium Formula

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Fractional Excretion of Sodium is the percentage of the sodium filtered by the kidney which is excreted in the urine. Check FAQs

FE Na = \frac{Sodium urinary \cdot Creatinine plasma}{Sodium plasma \cdot Creatinine urinary} \cdot 100

FE_Na - Fractional Excretion of Sodium?Sodium_urinary - Urine Sodium Concentration?Creatinine_plasma - Creatinine Concentration in Plasma?Sodium_plasma - Sodium Concentration in Plasma?Creatinine_urinary - Creatinine Concentration in Urine?

Fractional Excretion of Sodium Example

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Here is how the Fractional Excretion of Sodium equation looks like with Values.

Here is how the Fractional Excretion of Sodium equation looks like with Units.

Here is how the Fractional Excretion of Sodium equation looks like.

0.2595 = \frac{0.0104 \cdot 12}{3.55 \cdot 13.5} \cdot 100

0.2595 = \frac{0.0104mol/L \cdot 12mol/L}{3.55mol/L \cdot 13.5mol/L} \cdot 100

0.2595 = \frac{0.0104 \cdot 12}{3.55 \cdot 13.5} \cdot 100

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Fractional Excretion of Sodium Solution

Follow our step by step solution on how to calculate Fractional Excretion of Sodium?

FIRST Step Consider the formula

FE Na = \frac{Sodium urinary \cdot Creatinine plasma}{Sodium plasma \cdot Creatinine urinary} \cdot 100

Next Step Substitute values of Variables

∴

FE Na = \frac{0.0104mol/L \cdot 12mol/L}{3.55mol/L \cdot 13.5mol/L} \cdot 100

Next Step Convert Units

∴

FE Na = \frac{10.365mol/m³ \cdot 12000mol/m³}{3550mol/m³ \cdot 13500mol/m³} \cdot 100

Next Step Prepare to Evaluate

∴

FE Na = \frac{10.365 \cdot 12000}{3550 \cdot 13500} \cdot 100

Next Step Evaluate

∴

FE Na = 0.259530516431925

LAST Step Rounding Answer

∴

FE Na = 0.2595

Fractional Excretion of Sodium Formula Elements

Variables

Fractional Excretion of Sodium

Fractional Excretion of Sodium is the percentage of the sodium filtered by the kidney which is excreted in the urine.

Symbol: FE_Na

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Fractional Excretion of Sodium

Urine Sodium Concentration

Urine Sodium Concentration measures the amount of sodium in a certain amount of urine.

Symbol: Sodium_urinary

Measurement: Molar ConcentrationUnit: mol/L

Note: Value should be greater than 0.

Formulas to find Urine Sodium Concentration

Creatinine Concentration in Plasma

Creatinine Concentration in Plasma is a measurement of creatinine in blood plasma.

Symbol: Creatinine_plasma

Measurement: Molar ConcentrationUnit: mol/L

Note: Value can be positive or negative.

Formulas to find Creatinine Concentration in Plasma

Sodium Concentration in Plasma

Sodium Concentration in Plasma is the concentration of sodium present in blood plasma.

Symbol: Sodium_plasma

Measurement: Molar ConcentrationUnit: mol/L

Note: Value should be greater than 0.

Formulas to find Sodium Concentration in Plasma

Creatinine Concentration in Urine

Creatinine Concentration in Urine is measures of the amount of creatinine in a certain amount of urine.

Symbol: Creatinine_urinary

Measurement: Molar ConcentrationUnit: mol/L

Note: Value should be greater than 0.

Formulas to find Creatinine Concentration in Urine

Other formulas in Plasma category

Go Plasma Volume of Drug given Apparent Volume

V P = V d - (V T \cdot (\frac{fu}{fu t}))

Go Apparent Tissue Volume given Plasma Volume and Apparent Volume

V T = (V d - V P) \cdot (\frac{fu t}{fu})

Go Peak through Fluctuation

%PTF = \frac{C max - C min}{C av}

Go Peak Plasma Concentration Given Peak through Fluctuation

C max = (%PTF \cdot C av) + C min

How to Evaluate Fractional Excretion of Sodium?

Fractional Excretion of Sodium evaluator uses Fractional Excretion of Sodium = (Urine Sodium Concentration*Creatinine Concentration in Plasma)/(Sodium Concentration in Plasma*Creatinine Concentration in Urine)*100 to evaluate the Fractional Excretion of Sodium, The Fractional Excretion of Sodium formula is defined as is the percentage of the sodium filtered by the kidney which is excreted in the urine. Fractional Excretion of Sodium is denoted by FE_Na symbol.

How to evaluate Fractional Excretion of Sodium using this online evaluator? To use this online evaluator for Fractional Excretion of Sodium, enter Urine Sodium Concentration (Sodium_urinary), Creatinine Concentration in Plasma (Creatinine_plasma), Sodium Concentration in Plasma (Sodium_plasma) & Creatinine Concentration in Urine (Creatinine_urinary) and hit the calculate button.

FAQs on Fractional Excretion of Sodium

What is the formula to find Fractional Excretion of Sodium?

The formula of Fractional Excretion of Sodium is expressed as Fractional Excretion of Sodium = (Urine Sodium Concentration*Creatinine Concentration in Plasma)/(Sodium Concentration in Plasma*Creatinine Concentration in Urine)*100. Here is an example- 0.263238 = (10.365*12000)/(3550*13500)*100.

How to calculate Fractional Excretion of Sodium?

With Urine Sodium Concentration (Sodium_urinary), Creatinine Concentration in Plasma (Creatinine_plasma), Sodium Concentration in Plasma (Sodium_plasma) & Creatinine Concentration in Urine (Creatinine_urinary) we can find Fractional Excretion of Sodium using the formula - Fractional Excretion of Sodium = (Urine Sodium Concentration*Creatinine Concentration in Plasma)/(Sodium Concentration in Plasma*Creatinine Concentration in Urine)*100.

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Fractional Excretion of Sodium Formula

Fractional Excretion of Sodium Example

Fractional Excretion of Sodium Solution

Fractional Excretion of Sodium Formula Elements

Other formulas in Plasma category

How to Evaluate Fractional Excretion of Sodium?

FAQs on Fractional Excretion of Sodium

Variable Name