7. Glossary of control parameters
Parameter Denition
Apnea Backup A function that provides ventilation after the adjustable apnea time passes without breath attempts. If “Automatic”
is enabled, control parameters are calculated based on the patient‘s IBW.
ETS Expiratory trigger sensitivity. The percentage of peak inspiratory ow at which the ventilator cycles from inspiration
to exhalation.
Flow trigger The patient’s inspiratory ow that triggers the ventilator to deliver a breath.
Gender Sex of patient. Used to compute ideal body weight (IBW) for adults and pediatrics.
I:E Ratio of inspiratory time to expiratory time. Applies to mandatory breaths.
%MinVol Percentage of minute volume to be delivered in ASV mode. The ventilator uses the %MinVol, Pat. height, and Gender
settings to calculate the target minute ventilation.
Oxygen Oxygen concentration to be delivered.
Pasvlimit The maximum pressure to apply in ASV mode. Changing Pasvlimit or the Pressure alarm limit automatically changes
the other: The Pressure alarm limit is always 10 cmH2O greater than Pasvlimit.
Pat. height Patient height. It determines the ideal body weight (IBW), which is used in calculations for ASV and startup settings
for adult and pediatric patients.
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