RADIOMETER ABL800 FLEX Reference Manual

ABL800 FLEX Reference Manual 6. Parameters
Derived parameters, Continued
Oxygen derived
parameters
Symbol Definition Type Eq.
pO
2
(T) Partial pressure (or tension) of oxygen at patient
temperature.
dv
14
pO
2
(A) Partial pressure (or tension) of oxygen in
alveolar air.
dv
15
pO
2
(A,T) Partial pressure (or tension) of oxygen in
alveolar air at patient temperature.
dv
16
pO
2
(a)/
FO
2
(I)
Oxygen tension ratio of arterial blood and the
fraction of oxygen in dry inspired air
dv
17
pO
2
(a,T)/
FO
2
(I)
Oxygen tension ratio of arterial blood at patient
temperature and the fraction of of oxygen in
dry inspired air
dv
18
p50 Partial pressure (or tension) of oxygen at half
saturation (50 %) in blood.
High and low values indicate decreased and
increased affinity of oxygen to hemoglobin,
respectively.
dv
19
p50(T) Partial pressure (or tension) of oxygen at half
saturation (50 %) in blood at patient
temperature.
dv
20
p50(st) Partial pressure (or tension) of oxygen at half
saturation (50 %) in blood at standard
conditions: temperature = 37
o
C
pH = 7.40
pCO
2
= 5.33 kPa
FCOHb, FMetHb, FHbF set to 0
p50(st) may however vary due to variations in
2,3-DPG concentration or to the presence of
abnormal hemoglobins.
dv/in
21
pO
2
(A−a)
Difference in the partial pressure (or tension) of
oxygen in alveolar air and arterial blood.
Indicates the efficacy of the oxygenation process
in the lungs.
dv
22
pO
2
(A−a,T)
Difference in the partial pressure (or tension) of
oxygen in alveolar air and arterial blood at
patient temperature.
dv
23
Continued on next page
6-19

RADIOMETER ABL800 FLEX Specifications

General

Brand	RADIOMETER
Model	ABL800 FLEX
Category	Measuring Instruments
Language	English