RADIOMETER FLEX ABL90, Справочное руководство

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8. Parameters ABL90 FLEX reference manual
8-28
Eq. 21 :
p50 is calculated for pH = 7.40, pCO
2
= 5.33 kPa, FCOHb = 0, FMetHb = 0,
FHbF = 0.
The ODC is determined as described in equations 46-47 in the section
Oxyhemoglobin dissociation curve (ODC), see equation 47 further in this
chapter.
p50(st) = ODC(S,A,T)
where
Description See…
S = 0.5 Eq. 46.11
A = a6 corresponds to pH = 7.40, pCO
2
= 5.33 kPa, FCOHb = 0,
FMetHb = 0, FHbF = 0
Eq. 46.13
T = 37.0 °C
Eq. 22 :
2 2 2
O (A a)= O (A)- O (a) p p p 
The calculation requires entering the sample type as "Arterial" or "Capillary".
Eq. 23 :
pO
2
(A–a,T)=pO
2
(A,T)–pO
2
(a,T)
The calculation requires entering the sample type as "Arterial" or "Capillary".
Eq. 24 :
2
2
2
O (a)
O (a/A)
O (A)
p
p
p

The calculation requires entering the sample type as "Arterial" or "Capillary".
Eq. 25 :
2
2
2
O (a, )
O (a/A, )=
O (A, )
p T
p T
p T
The calculation requires entering the sample type as "Arterial" or "Capillary".
p50(st)
pO
2
(A-a)
pO
2
(A-a,T)
pO
2
(a/A)
pO
2
(a/A,T)