Equations

Question 1

What is the alveolar gas equation?

Answer 1

PAO₂ = PIO₂ – (PaCO₂ * 1.2)

Question 2

What is the equation for air inspired when breathing at KU?

Answer 2

PIO2 = (PB-47)*0.21 = 147 mm Hg

Question 3

What is the equation for total blood O2 content?

Answer 3

Hb *1.34 * % saturation + (0.003*PO2)

Question 4

What is the equation for Dead Space/Tidal volume?

Answer 4

(PaCO2 – PECO2) / PaCO2

Question 5

What is the equation for compliance?

Answer 5

∆ Lung volume /∆PTP

Question 6

What is the equation for airway resistance?

Answer 6

(PB - PALV) / airflow