RADIOMETER ABL800 FLEX - Page 175

6. Parameters ABL800 FLEX Reference Manual
List of equations, Continued
Eq. 36:
RI
RI =
OA Oa
Oa
22
2
pp
p
() ()
()
−
The calculation requires entering the sample type as “Arterial” or “Capillary”.
Eq. 37:
RI(
T)
RI( ) =
O(A O(a
O(a
22
2
T
pT
pTp,) ,)
,)
T
−
The calculation requires entering the sample type as “Arterial” or “Capillary”.
Eq. 38 [8]:
Q
x
The ODC is determined as described in equations 46 - 47 in the section
Oxyhemoglobin Dissociation Curve.
Q
x
=
−
23.
()ctO a t
2i
Eq. Description See…
38.1
(
)
t tHb 1 - COHb - MetHb O O
i2, i
=× ×+×
−
cFF s p983 10 5
3
.(
2
)
38.2
pO
2
(5) = 5.00 kPa
38.3
S = ODC(P,A,T)
38.4
()
⎥
⎥
⎦
⎤
⎢
⎢
⎣
⎡
−−×
+×=
MetHbCOHb1O
COHb
1(5)O
i2,
2
FFs
F
pP
Eq. 46.9
38.5
(
)
s
FF
F
F
O
S 1 MetHb COHb
1 - COHb - MetHb
2,i
=
×− −
Eq. 46.12
38.6
A = a
38.7
T = 37.0
o
C
ctO
2
(a) is determined as described in equation 27.
Qx cannot be calculated on the basis of a default ctHb value.
Qx can only be calculated if the measured sO
2
(a) ≤ 0.97 (or if p50(st) is keyed in).
The calculation requires entering the sample type as “Arterial” or “Capillary”.
Continued on next page
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