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Mech. Vent. wk 3-4


How do you find Vt Flow * IT
How do you find the flow Vt / IT
How do you find the IT Vt / Flow
Formula for Dynamic Compliance, Cdynm Cdynm= Vt/ PIP-PEEP
Formula for Static Compliance, Cstat Cstat= Vt/ Pplat-PEEP
Formula for Volume Loss Tubing Compliance * Driving Pressure(PIP-PEEP)
Formula for Airway Resistance RAW= PIP-Pplat/Flow(Lps)
Formula for Time Constant RAW/Cstat(/1000)
Minute Volume, VE VE= RR * Vt
Formula for Ca02 (adequate Arterial Oxygen Content) (Hg*1.34*Sa02)+(Pa02 * 0.003)
Normal Airway Resistance (RAW) nonintubated 0.6 - 2.4Intubated 5-10
I:E Ratio ET/IT
Factors that you can manipulate on Mech. Vent for 02 deficiency Fi02, PEEP, IT
Factors that you can manipulate on Mech. Vent for ventilatory deficiency Vt & RR
Created by: sugarcookies