RADIOMETER FLEX ABL90, Справочное руководство

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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
F F
s T
F F
 
Eq. 46.12
14.3
 
2,
2,i
P
O ( )=
COHb
1
O ( ) 1 COHb MetHb
i
p T
F
s T F F

  
Eq. 46.10
14.4
   




    
 

2
4 2
37.0 - 10 1 . 2 37.0 - 10 15 . 1
2
0105 . 0 O
T T
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
 
 

      

 
2 3
i 2,i 2
1.47 10 6.5 10 pH(37) 7.40
( )
When t ( ) (37.0), then O ( ) O ( )
i
pH
T
T t p T p 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]:
 
 
2 2
1 1
2 2
O (A) O (I) (amb)- 6.275
CO RQ O (I) RQ 1
p F p
p F
 
 
 
    
 
 
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]:
 
2 2 2
1 -1
2 2
O (A, ) O (I) (amb)- H O( )
CO ( ) RQ O (I) RQ 1
p T F p p T
p T F

  

 
 
    
 
 
    2
2 5
2.36 10 37.0 9.6 10 37.0
2
H O( )=6.275 10
T T
p T
 
 
      
 
  
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
2 2
F
p
F p 
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)