User's Manual

i15 Blood Gas and Chemistry Analysis System User Manual Theory
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pCO
2
(T)
pCO
2
corrected for entered patient temperature
pCO
2
(T) = pCO
2
× 10
0.019(T - 37)
[mmHg]
pO
2
(T)
pO
2
corrected for entered patient temperature
[mmHg]
pO2 (A-a) (T)
Alveolar-arterial oxygen tension difference corrected for entered patient temperature
pO
2
(A-a) (T) = pO
2
(A) (T) - pO
2
(a) (T) [mmHg]
pO
2
(a/A) (T)
Arterial-alveolar oxygen tension ratio corrected for entered patient temperature
pO
2
(a/A) (T) = pO
2
(a) (T) / pO
2
(A) (T) [mmHg]
RI (T)
Respiratory index: the ratio of the alveolar-arterial blood oxygen-pressure difference to arterial
pO
2
when both values are corrected for patient temperature
RI (T) = pO
2
(A-a) (T) / pO
2
(a) (T)
pO
2
(T)/FIO
2
The ratio of arterial pO
2
to the fraction of inspired oxygen corrected for the entered patient
temperature
pO
2
(T) / FIO
2
= pO
2
(T) / FIO
2
[mmHg]