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3 Cards in this Set

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PaO2


PaCO2


pH


Bicarbonate


A-a Gradient


Anion Gap



10-13 kPa / 75-98mmHg


4.7-6.0kPa / 35-45mmHg


7.35-7.45


22-26mmol/L


<2.6kPa / 20mmHg


8-16mmol/L



Alveolar Gas Equation

PAO2 = FiO2 x 94.5 - (PaCO2 x 1.25) kPa


PAO2 = FiO2 x 713 - (PaCO2 x 1.25) mmHg

Winter's Formula

PCO2 = (1.5 x HCO3) + 8 +/-2




Evaluates respiratory compensation when metabolic acidosis is present


Higher than expected PCO2 = concurrent respiratory acidosis
Lower than expected PCO2 = respiratory alkalosis