Online Clinical Calculator: Pulmonary Shunt
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Arterial
Oxygen
Content
Ca0
2
ml O
2
/100 mL
Mixed
Venous
Oxygen
Content
Cv0
2
ml O
2
/100 mL
Hemoglobin
Hgb
mg/dl
Alveolar
Oxygen
Partial
Pressure
P
A
0
2
mm Hg
Pulmonary Shunt
Q
s
/Q
t
=
Q
s
/Q
t
= (CcO2 - CaO2) / (CcO2 - CvO2)
where CcO2 = (1.36 x Hgb) + (0.0031 x PAO2)
and assuming SAO2 is 1.0
Normal is < .05
Online Clinical Calculator: Pulmonary Shunt
Online Clinical Calculator: Pulmonary Shunt
