If tube compressibility of 2 mL of gas lost for
each 1 cm H2O, and the patient PIP = 22 cm, and their tidal volume
= 400 ml. How much gas volume is lost in vent tube?
12 mL
36 mL
44 mL
Cannot determine
The amount of volume lost to the circuit equals the pressure reached during a tidal volume (VT) delivery multiplied by the tubing compliance (CT) factor
Tube compressibility factor - 2ml/cm H2O
PIP - 22cm
Amount of gas volume lost in vent tube = 2×22
= 44ml
The correct option is c)
If tube compressibility of 2 mL of gas lost for each 1 cm H2O, and the...
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