If the Body Surface Area (BSA) is known, then the plasma volume can be calculated fairly accurately.
First, convert BSA into square meters. If in square centimeters, divide BSA by 10,000.
Second, determine patient's sex.
Third, perform calculation:
• if male: plasma volume in mL = (BSA in m^2) * 1560
• if female: plasma volume in mL = (BSA in m^2) * 1410
Other Equations
For men:
plasma volume = (BSA in m^2) * 1630
plasma volume = 995 * (e ^ (0.6085 * (BSA in m^2)))
plasma volume = (1580 * (BSA in m^2)) - 520
For women:
plasma volume = 1278 * ((BSA in m^2) ^ (1.289))
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Purpose: To calculate the blood volume based on body surface area.
Objective: other testing
ICD-10: Z51.3,