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10 Cards in this Set
- Front
- Back
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How is PIO2 calculated?
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(Total Barrometric pressure - pH2O) x FiO2 = (760-pH2O)xFiO2
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How is PAO2 calculated?
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PIO2-(PaCO2/RQ)
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What is RQ?
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CO2 eliminated/O2 consumed. Nml=0.8
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What is the not-test-answer shortcut for PAO2?
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FiO2 x 6
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What is a normal PaO2 on room air?
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85-100 mmHg
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What is an age appropriate PaO2 on room air (M&M)?
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102-age/3
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What is the expected PaO2 for a given FiO2?
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FiO2 x 5
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What does a left shift of the O2/Hb-dissociation curve mean?
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O2 binds more tightly to Hb
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What does a right shift of the O2/Hb-dissociation curve mean?
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O2 binds less tightly to Hb
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What shifts to O2 curve to the left?
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Alkalosis, hypothermia, decreased pCO2, decreased DPG
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