Online Clinical Calculator: Arterial Oxygen Content
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Arterial Hemoglobin
Oxygen Saturation
Sa0
2
Decimal Percent
Hemoglobin
Hgb
g/100 mL
Arterial Oxygen
Partial Pressure
Pv0
2
mm Hg
Arterial Oxygen Content
Ca0
2
=
mL O
2
/100 mL
Ca0
2
= (Hgb)(1.36)(Sa0
2
) + (0.0031)(Pa0
2
)
Ca0
2
consists of 0
2
bound to Hgb and 0
2
dissolved in plasma.
Oxygen delivery to tissues is dependent upon cardiac output and Ca0
2
.
Normal value for Ca0
2
is approx. 18-21 mL 0
2
/100 mL
Online Clinical Calculator: Arterial Oxygen Content
