RADIOMETER ABL800 FLEX - Page 179

6. Parameters ABL800 FLEX Reference Manual
List of equations, Continued
pO
2
(x,T)
(continued)
Eq. Description
50.8
)(x,OO
2i2,
Tpp =
when t
i
(T) = ctO
2
(37 °C) − 2.3 mmol/L
pO
2
(x,T) is calculated in accordance with OSA V3.0.
pO
2
(x,T) can only be calculated if the measured sO
2
(a) ≤ 0.97 (or p50(st) keyed in).
pO
2
(x,T) is tagged with "?" if any of the following parameters: sO
2
, FMetHb,
FCOHb, pO
2
, pCO
2
, pH or ctHb is tagged with "?".
The calculation requires entering the sample type as “Arterial” or “Capillary”.
Eq. 51:
V
CO
2
/V(dry air)
275.6(amb)
CO
air)(dry/CO
2
2
−
=
p
p
VV
Eq. 52:
VO
2
/V(dry air)
275.6(amb)
O
air)(dry/O
2
2
−
=
p
p
VV
6-42