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Quiz?
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Ventilation “CO2 wash out”
To wash out CO2 in a mechanical ventilated patient I will
adjust the:
A. FiO2 and RR
B. Vt, PEEP and RR
C. RR, PEEP and FiO2
D. Vt and RR
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Oxygenation
To increase SpO2 in a mechanical ventilated patient I will
adjust the:
A. FiO2 and RR
B. PEEP and FiO2
C. RR, PEEP and FiO2
D. Vt and RR
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Plateau Pressure?
P
C
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Compliance?
Transthoracic Compliance =
A. C = Vt x RR / PEEP
B. C = Pplt / VT
C. C = Vt / Pplt - PEEP
D. C = Vt / Pk - Pplt
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FiO2
FiO2 at the mount of Everest =
A. 25%
B. 15%
C. 21%
D. 12%
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What are the functions of any type of
mechanical ventilation?
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Mechanical ventilation
Oxygenation Ventilation
•FIO2 •RR
•PEEP • Vt
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P
•Shunting and dead space.
•Decrease CO and Renal output.
•Nosocomial pneumonia.
•Increased ICP.
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R=P/Q
Air way
C=V/P
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P
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VILI •Barotrauma.
•Oxygen toxicity .
•Volutrauma.
•Atelectrauma.
•Biotrauma.
•Translocation of the cells.
P
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P
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Peak
Plateau
Air way
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P
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Plateau
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WAVES
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Pressure wave
Ppeak 20
21
0
cmH2O
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Flow wave
60
L/Min
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Volume wave
Vt
451
mL
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Modes of ventilation
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CPAP
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PS
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CMV
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CMV
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SIMV
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SIMV + PS
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Thank You
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