7-4 Reference Information
P/N 39551-00, Rev. F
Total Blood
Volume
Calculations
The MCS+ device displays the estimated total blood volume of the donor on
screen. The method used by the MCS+ device is the Nädler equation as given by
the AABB Technical Manual (12th edition, page 741). Charts 7-1 and 7-2 depict
the estimated blood volume.
To estimate the total blood volume of a donor:
1. Select the correct chart (for males or females).
2. Select the height of the donor or patient on the Y (Height) axis.
3. Select the weight of the donor in pounds on the top X (Weight) axis.
4. Find the point in the chart where the Height and Weight intersect.
5. Follow the curved blood volume line down to the correct reading for estimat-
ed blood volume.
Example: A 5’8” male who weighs 180 lb. has an estimated blood volume of
5400 ml.
The equations used by the MCS+ device are:
For males
For females
Estimated Blood Volume = 2740 x
Height (in) x Weight (lb)
3131
or…
Estimated Blood Volume = 2740 x
Height (cm) x Weight (Kg)
3600
Estimated Blood Volume = 2370 x
Height (in) x Weight (lb)
3131
or…
Estimated Blood Volume = 2370 x
Height (cm) x Weight (Kg)
3600
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