Stephan EVETR, Instructions For Use Manual, Page: 142 / 254

7 Ventilation modes
142 GA-070T-0518V2.7-HAO-EN

Fritz Stephan GmbH
7.2 Trigger functionality
7.2.1 Flow trigger
The flow sensor enables the
EVE
TR
to measure the patient’s inspiratory
flow. If the inspiratory flow exceeds the value set by the user, a
mandatory breath is triggered. This "trigger threshold" is set in the
»Trigger« field as flow in l/min.
NOTE
The flow trigger level for spontaneous breathing detection is preset in the device and
cannot be changed by the user. It is independent of the setting for inspiration flow
detection.
The present trigger levels are

approx. 10 l/min (adults)

approx. 2 l/min (children)

approx. 0.8 l/min (preterm infants and newborns)
7.2.2 Internal flow trigger
The internal flow trigger is active for all non-invasive neonatal
ventilation forms (optional). The "trigger threshold" is set in the
»Trigger« field as flow in l/min.
NOTE
The internal flow trigger can be activated for all ventilation forms. The external flow
sensor must first be switched off in the "Sensors/Flow" menu (see chapter 4.2.3).