Maxwell–Fricke equation

The Maxwell–Fricke equation relates the resistivity of blood to hematocrit. This relationship has been shown to hold for humans, and a variety on non-human warm-blooded species, including canines.

Equation

The Maxwell–Fricke equation is written as:

$\frac{\frac{{\rho }_1}{\rho }-1}{\frac{{\rho }_1}{\rho }+2}=\phi \frac{\frac{{\rho }_1}{{\rho }_2}-1}{\frac{{\rho }_1}{{\rho }_2}+2}$

where ρ is the resistivity of blood, ρ₁ is the resistivity of plasma, ρ₂ is the resistivity of blood cells and φ is the hematocrit.

References

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