RADIOMETER ABL800 FLEX Reference Manual

6. Parameters ABL800 FLEX Reference Manual
Derived parameters, Continued
Acid-Base
derived
parameters
(continued)
Symbol Definition Type Eq.
ctCO
2
(B) Concentration of total carbon dioxide in whole
blood (also termed CO
2
content).
Calculated based on the total CO
2
concentrations
in the two phases: plasma and erythrocyte fluid
[5].
dv
11
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 metabolic status of
the blood plasma.
dv
12
VCO
2
/V(dry
air)
The volume fraction of carbon dioxide in dry air. dv
51
Oximetry
derived
parameters
Symbol Definition Type Eq.
FHHb Fraction of deoxyhemoglobin in total hemo-
globin in blood.
Deoxyhemoglobin is the part of total hemo-
globin which can bind oxygen forming oxy-
hemoglobin. It is also termed reduced hemo-
globin, 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
Continued on next page
6-18

RADIOMETER ABL800 FLEX Specifications

General

Brand	RADIOMETER
Model	ABL800 FLEX
Category	Measuring Instruments
Language	English