RADIOMETER ABL90 FLEX User Manual

8. Parameters ABL90 FLEX reference manual
8-16
Symbol Definition Type Eq.
pH(st) Standard pH (or eucapnic pH), defined as
the pH of plasma of blood equilibrated to
pCO
2
= 5.33 kPa (40 mmHg).
By ensuring the normal value of pCO
2
, the
respiratory influence from pH is removed,
and pH(P,st) therefore reflects the meta-
bolic status of the blood plasma.
dv 12
VCO
2
/V(dry
air)
The volume fraction of carbon dioxide in dry
air.
dv 51
Symbol Definition Type Eq.
FHHb Fraction of deoxyhemoglobin in total
hemoglobin in blood.
Deoxyhemoglobin is the part of total
hemoglobin which can bind oxygen, forming
oxyhemoglobin. It is also termed reduced
hemoglobin, RHb.
ms/dv 41
FO
2
Hb Fraction of oxyhemoglobin in total hemoglobin
in blood.
ms/dv 40
sO
2
Oxygen saturation, the ratio between the
concentrations of oxyhemoglobin and the
hemoglobin minus the dyshemoglobins.
ms/dv 39
Hct Hematocrit, the ratio between the volume of
erythrocytes and the volume of whole blood.
dv 13
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
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
Oximetry
derived
parameters
Oxygen derived
parameters

RADIOMETER ABL90 FLEX Specifications

General

Brand	RADIOMETER
Model	ABL90 FLEX
Category	Measuring Instruments
Language	English