Hypoxia: Difference between revisions
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#Altitude
#Altitude
#Cardiac Shunt
#Cardiac Shunt
==See Also==
[[Shortness of Breath]]


[[Category:Pulm]]
[[Category:Pulm]]

Revision as of 23:01, 9 June 2011

Background

PAO2 = (PB - PH2O) x FiO2 - PaCO2/RQ

  • Normal PAO2 = 760 - 47 x 0.21 - 40/0.8
  • Normal PAO2 = 100

DDX

  1. V/Q mismatch
  2. Diffusion
  3. Hypercarbia
  4. Altitude
  5. Cardiac Shunt

See Also

Shortness of Breath

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