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Roche cobas b 123 User Manual

Roche cobas b 123
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Roche Diagnostics
Instructions for Use · Version 13.0 107
cobas b 123 POC system 4 Theoretical foundations
Parameters and calculations
Equation 4-34
and
Equation 4-35
P
total
= Baro
R = RQ
AaDO
2
t
Corrected alveolar oxygen partial pressure for patient temperatures other than
37 °C.
[6]
Unit: [mmHg]
Equation 4-36
PaO
2
t
= PO
2
t
q
AaDO
2
t
values are only provided for “arterial” or “capillary” blood types.
a/AO
2
t
Corrected arterial alveolar oxygen partial pressure ratio for different patient
temperatures.
[6]
Unit: [%]
Equation 4-37
RI
t
Corrected respiratory index for patient temperatures other than 37 °C.
[6]
Unit: [%]
Equation 4-38
PaO
2
t
= PO
2
t
q
RI
t
values are only provided for “arterial” or “capillary” blood types.
()
[]
( )
P
H O 47 10
2
t
0.0237 0.0001 t 37 t
37
=⋅
−⋅
AaDO AO aO
ttt
222
=−PP
100
AO
aO
a/AO
t
2
t
2
t
2
=
P
P
100
aO
)aOAO(
RI
t
2
t
2
t
2
t
=
P
PP

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Roche cobas b 123 Specifications

General IconGeneral
BrandRoche
Modelcobas b 123
CategoryMedical Equipment
LanguageEnglish

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