6. Parameters
ABL800 FLEX Reference Manual
Measured parameters,
Continued
sO
2
(continued)
Reference:
Siggaard-Andersen O, Wimberley PD, Fogh-Andersen
N, Gøthgen IH. Arterial oxygen status determined with
routine pH/blood gas equipment and multi-wavelength
hemoximetry: reference values, precision and accuracy.
Scand J Clin Lab Invest 1990; 50, Suppl 203: 57-66.
Available as AS106.
Equation
The ODC is determined as described in equation for
Oxyhemoglobin Dissociation Curve
(points I and III).
(
)
s
F
F
F
F
O
S
1
MetHb
COHb
1 - COHb - MetHb
2
=
× −
−
where
S
=
ODC(P,A,
T
)
P
p
F
s
F
F
=
+
×
× −
−
p
O
O
COHb
O
COHb
MetHb
2
2
2
(
)
1
A
=
a
T
= 37.0
o
C
FO
2
Hb
Can also be calculated.
Definition
Fraction of oxyhemoglobin in total hemoglobin in
blood.
Unit %;
fraction
Measuring range
%: 0.0-100.0
Fraction: 0.000-1.000
Reference range
%: 94-98 (m, f)
Fraction: 0.94-0.98 (m, f)
Equation
(
)
F
s
F
F
O Hb
O
1
COHb
MetHb
2
2
=
× −
−
If
s
O
2
is not measured, it will be calculated.
If dyshemoglobins (
F
COHb,
F
MetHb) are not known,
they are set to the default values.
Continued on next page
6-8
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