clinical review lisa 1
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static compliance equation
vt/ (pplat - peep)
what happens as compliance decreases
lungs become stiffer
airway resistance equation
ppeak - pplat / flow
airway resistance increases due to
- obstruction/partial occlusion
rr / vt
[pb - ph20? x fio2] - (pco2 x 1.25)
a-a gradient or p(a-a)o2 equation
PA02 - Pa02
What settings do you adjust to affect VENTILATION?
Increasing PS (IPAP-EPAP) will increase minute ventilation
What settings do you adjust to affect OXYGENATION?
- Increasing FiO2 to increase oxygenation
- Increasing EPAP (Don’t forget to increase IPAP to keep the same PS) to increase oxygenation
when you increase epap you also gotta increase ipap to keep the same
what happens on the Avea vent when the "suction" button is pressed
silence the alarm and 100% o2
What would you like to do?
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