RADIOMETER ABL90 FLEX - Po (A);Fo (I)

8. Parameters ABL90 FLEX reference manual
8-26
where
Eq. Description See…
14.1 S = ODC(P,A,T) Eq. 47
14.2


2,i
S 1- MetHb COHb
O()=
1- COHb- MetHb
FF
sT
FF

Eq. 46.12
14.3

2,
2,i
P
O()=
COHb
1
O() 1 COHb MetHb
i
pT
F
sT F F

 
Eq. 46.10
14.4
 









2
42
37.0-101.237.0-1015.1
2
0105.0O
TT
e 
14.5 P is the variable during iteration.
14.6

A=ac-1.04 -37.0
pH
T
T



14.7 T= patient temperature in °C (keyed-in).
14.8



     


23
i2,i2
1.47 10 6.5 10 pH(37) 7.40
()
When t( ) (37.0), then O ( ) O ( )
i
pH
T
Tt p Tp T
Changes in the equations for pH(T) and ctO
2
correspond to less than 0.5% of
pO
2
(T) in the reference range for pH, pCO
2
, pO
2
and ctHb and T in the interval
32-42 °C, using FHbF = 0.5%.
Eq. 15 [5]:



22
11
22
O(A) O(I) (amb)-6.275
CO RQ O (I) RQ 1
pF p
pF



   


If FO
2
(I) and RQ are not keyed in, they are set to the default values.
The calculation requires entering the sample type as "Arterial" or "Capillary".
Eq. 16 [4,5,18]:

22 2
1-1
22
O(A, ) O(I) (amb)- HO( )
CO ( ) RQ O (I) RQ 1
pTF p pT
pT F











 
2
25
2.36 10 37.0 9.6 10 37.0
2
H O( )=6.275 10
TT
pT



 





If FO
2
(I) and RQ are not keyed in, they are set to the default values.
The calculation requires entering the sample type as "Arterial" or "Capillary".
Eq. 17:
(I)O
(a)O
(I)O/(a)O
2
2
22
F
p
Fp 
The calculation cannot be performed on the basis of the default FO
2
(I) value,
and the calculation requires entering the sample as "Arterial" or "Capillary".
pO
2
(A)
pO
2
(A,T)
pO
2
(a)/FO
2
(I)