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Vmin (l)
Minute volume is the accumulated expiratory tidal volume over a one-minute
period. A measured value in litres.
Texp(s)
Total expiration time in seconds. A measured value.
Leak(%)
Percentage leak from the patient circuit. The difference between the expired
volume compared to the inspired volume as a percentage. A calculated value.
Resist.
Resistance of the patient to flow is the total change in the applied pressure to the
patient lung divided by the peak expiratory flow from the lung. A measured value.
Compl.
Compliance is the ratio of the change in lung volume to change in the applied
pressures. A calculated value.
C20/C
Is the ratio of the compliance during the last 20% of the respiratory cycle to the
total compliance. A calculated value.
DCO
2
Is a gas transport coefficient. A calculated value based on tidal volume and
frequency.
Mean P
The mean pressure. A measured value.
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