ABL90 FLEX reference manual 7. Performance characteristics
7-25
The substances against which the oximetry parameters (ctHb, sO
2
, FO
2
Hb, FCOHb,
FMetHb, FHHb, FHbF) and ctBil were tested for interference are given in the table
below:
(SAT100 blood reference test sample:
ctHb = 15 g/dL, sO
2
= 100 %, FCOHb = 0.7%,
FMetHb = 0.5%, ctBil = 0, pH = 7.4. Parameter sensitivity from the influence on the
absorbance spectrum from various substances.)
ctHb
g/dL
sO
2
%
FO
2
Hb
%
FCOHb
%
FMetHb
%
FHHb
%
FHbF
%
ctBil
µmol/L
Limit for clinical relevance…..
Level
0.5 g/dL 1% 1% 1% 1% 1% 20%
30
µmol/L
6.85 <|0.5| -1.1 -2.5 <|1%| 1.4 1.1 ND 38
7.15 <|0.5| <|1%| -1.0 <|1%| <|1%| <|1%| <|20%| <|30|
7.4 Reference pH
pH
8 <|0.5| <|1%| -1.1 <|1%| 1.3 <|1%| 21 <|30|
Fluorescein
250 mg/L 1.31 -3.2 -9.5 -4.1 10.7 2.9 ND -1115
beta-carotene*)
3.7 µmol/L <|0.5| <|1%| <|1%| <|1%| <|1%| <|1%| <|20%| <|30|
Patent Blue V
10 mg/L <|0.5| <|1%| 1.5 <|1%| <|1%| <|1%| ND <|30|
10 mg/L <|0.5| <|1%| 3.7 <|1%| -3.2 <|1%| ND <|30|
30 mg/L -1.63 2.7 13.7 <|1%| -11.2 -2.8 ND -83
Methylene Blue
60 mg/L -3.01 4.2 27.8 -1.2 -21.5 -5.1 ND -154
7 mg/L <|0.5| <|1%| <|1%| <|1%| <|1%| <|1%| <|20%| <|30|
Cardio Green
30 mg/L <|0.5| <|1%| 1.6 <|1%| -1.2 <|1%| ND <|30|
Evans Blue
5 mg/L <|0.5| <|1%| <|1%| <|1%| <|1%| <|1%| <|20%| <|30|
2% <|0.5| <|1%| <|1%| <|1%| <|1%| <|1%| <|20%| <|30|
Intralipid
5% <|0.5| <|1%| -1.4 <|1%| <|1%| <|1%| <|20%| <|30|
HiCN
30% 1.09 <|1%| <|1%| <|1%| <|1%| <|1%| ND 903
20% -2.12 <|1%| <|1%| <|1%| <|1%| <|1%| ND <|30|
SHb
50% -4.49 1.7 -5.7 <|1%| 7.3 -1.6 ND 135
Bilirubin (ukonj)
500 µmol/L
<|0.5| <|1%| <|1%| <|1%| <|1%| <|1%| <|20%| N/A
Bilirubin ( konj)
400 µmol/L
<|0.5| <|1%| <|1%| <|1%| <|1%| <|1%| <|20%| N/A
2 g/L
2.37
<|1%|
-15.85 2.48 12.73
<|1%|
ND -85.93
0.8 g/L 1.07 <|1%| -7.40 1.02 5.87 <|1%| ND -36.40
0.4 g/L 0.52 <|1%| -4.00 <|1%| 3.37 <|1%| ND <|30|
Hydroxocoba-
lamin
0.2 g/L <|0.5| <|1%| -2.33 <|1%| 1.83 <|1%| ND <|30|
Oximetry
parameters
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