Medicine:Maxwell–Fricke equation
From HandWiki
The Maxwell–Fricke equation relates the resistivity of blood to hematocrit.[1] This relationship has been shown to hold for humans, and a variety on non-human warm-blooded species, including canines.[2]
Equation
The Maxwell–Fricke equation is written as:
- [math]\displaystyle{ \frac{\frac{\rho_1}{\rho}-1}{\frac{\rho_1}{\rho}+2} = \varphi\frac{\frac{\rho_1}{\rho_2}-1}{\frac{\rho_1}{\rho_2}+2} }[/math]
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
- ↑ "Lab # 53: Hematocrit Measurement". http://zdn.umed.lodz.pl/~biophysics/Module_V_lab53.
- ↑ Geddes, L.A.; Da Costa, C.P. (January 1973). "The Specific Resistance of Canine Blood at Body Temperature". IEEE Transactions on Biomedical Engineering BME-20 (1): 51–53. doi:10.1109/TBME.1973.324251. PMID 4681810. https://ieeexplore.ieee.org/document/4120585. Retrieved 11 January 2021.
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