Oxygen delivery to periphery depends on the O2 content & tissue blood flow (equal to CO)
O2
Delivery
DO2 = CaO2 x CO
O2
Content
CO2 = (1.36 x Hb x O2Sat/100) + (0.003 x PO2)
O2
Consumption Fick
VO2 = CO x (CaO2 – CvO2)
O2
Dissociation
Curve
relates O2 sats at varying O2 tensions.
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