### Formula

EX

equilibrium potential across a cell\'s membrane for X ion

Xout

extracellular concentration of X+ ion

Xin

intracellular concentration of X+ ion

EX

equilibrium potential across a cell\'s membrane for X ion

Xout

extracellular concentration of X+ ion

Xin

intracellular concentration of X+ ion

The Nernst equation can be considered a special case of the Goldman equation for only one ion.The first term, before the parenthesis, can be reduced to 61.5 mV for calculations at human body temperature (37 °C)

Xout

Xin

EX

Precision

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