RADIOMETER ABL800 FLEX - Page 165

6. Parameters ABL800 FLEX Reference Manual
List of equations, Continued
cBase(B)
(continued)
where
Eq. Description
5.1
a'= 4.04 10 tHb
-3
×+×
−
425 10
4
. c
5.2
(
)
cHCO 10
3
-
pH(st)
(. ) . .533 023 533
6.161
0.9524
=××
−⎡
⎣
⎢
⎤
⎦
⎥
5.3
pH(st) pH log
5.33
CO
pH(Hb) pH
log CO Hb log(7.5006 CO
22
=+
⎛
⎝
⎜
⎞
⎠
⎟
×
−
−
⎛
⎝
⎜
⎞
⎠
⎟
pp p() )
2
5.4
(
)
pH(Hb) tHb +5.98- 10
tHb
=× ×
−
−
406 10 192
2
0 16169
..
.
c
c
5.5
()
log CO (Hb) tHb+ 3.4046+ 2.12 10
2
tHb
pc
c
=− × ×
−
−
17674 10
2
0.15158
.
Eq. 6 [4]:
cBase(B,ox)
cc cBase(B,ox) Base(B) tHb O
2
= s
−
×
×
−
0 3062 1.()
If ctHb is not measured or keyed in, the default value will be used.
If sO
2
is not measured, it will be calculated from equation 39.
Eq. 7 [5]:
cBase(Ecf)
cBase(Ecf) = cBase(B) for ctHb = 3 mmol/L
Eq. 8:
cBase(Ecf,ox)
cBase(Ecf,ox) = cBase(B,ox) for ctHb = 3 mmol/L
cHCO
3
–
(P,st)
Eq. 9 [4,14]:
(
)
cHCO P,st) 0.919 Z + Z a' Z -8
3
-
(.=+×××24 47
where
Eq. Description
9.1
a'= 4.04 10 tHb
-3
×+× ×
−
425 10
4
. c
9.2
(
)
Z =××ccBase(B)- 0.3062 tHb 1- O
2
s
3
Eq. 10 [4,5]:
ctCO
2
(P)
cpctCO P CO HCO P
22
-
() . ()=× +023
Continued on next page
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