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6 Cards in this Set

  • Front
  • Back
Boyle's law
PV = constant
Minute ventilation
Minute vent = f * tidal volume
Alveolar ventilation (1)
= (tidal volume - dead space volume) * f
Alveolar ventilation (2)
= 863 * (vent rate CO2 / PACO2)

note: PACO2 ~~ PaCO2
Restate Alveolar ventilation eq
= 863 * Vol CO2/min / PACO2
Alveolar gas equation
PA(O2) = PI(CO2) - (PA(CO2)/R)

Where PICO2 is generally around 147
Where R is generally arouns .8
But where R = Vent rate CO2/Vent rate O2