The X-VENT uses a configurable pressure threshold to detect a breath from the patient.
In order for a patient to trigger a spontaneous breath, the breath attempt must meet 4 conditions:
- Expiratory time must exceed inspiratory time set point.
- Expiratory pressure must be within +0.3/-0.1 cmH2O of PEEP setting.
- The difference between measured inspiratory and expiratory tidal volumes must not exceed 20 mL.
- Expiratory flow must be less than 6L/min (100 mL/s).