Left to Right Shunts and their Calculation Ghada ... - CardioEgypt.com

3/18/2013
O2 content
= 1.36 Hgb X saturation + 0.003 X PaO2
• 1.36mL is the oxygen carrying capacity
of1 gm of hemoglobin
• If the saturation is 98%, then use 0.98
in the formula, not 98
• The relatively small amount of
dissolved oxygen in plasma is 0.003mL
O2/dL plasma/mmHg PaO2
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