Capintec CAPTUS 600 - Page 165

CAPINTEC, INC. CAPTUS
®
600
• Plasma Standard 4 ml solution made from 1 ml of the plasma from the
centrifuged tagged RBC suspension diluted with water to
100 ml
• Room Background No samples in the Well
• Whole Blood Sample 4 ml of blood withdrawn from the patient ten to twenty
minutes post injection.
• Plasma Sample 4 ml of plasma from the blood withdrawn ten to twenty
minutes post injection.
Perform each measurement according to the instructions in CHAPTER 14: LAB TESTS:
SETUP.
After the plasma sample counts have been accepted, the RBC Volume (Cr51) Results
Screen (
Figure 16-4) will appear.
14:32
RBC VOLUME
DONE
PATIENT,
RBC : 1290. ml 18. ml/kg
BLOOD: 2581. ml 37. ml/kg
PLASMA: 1290. ml 18. ml/kg
P
Figure 16-4
RBC Volume is calculated as follows:
(
)
[
]
()
E1FD
1000EA1CB
= (ml) Volume Cell Red
−−
×
−
−
Where
A = Hematocrit of Tagged RBC Suspension
B = Net Whole Blood Standard Count
C = Net Plasma Standard Count
D = Net Patient Whole Blood Sample Count
E = Patient Hematocrit
F = Net Patient Plasma Sample Count
Hematocri
t
Patient
(ml) Volume Cell Red
= (ml) Volume Blood Whole
November 07 LAB TESTS: BLOOD TESTS 16-3