Table of Contents
Advertisement
Troubleshooting
Message
Tube blocked
Volume not constant
134
Cause
!!! Evita 4 only applies a very small
volume with each mechanical stroke,
e.g. because the tube is blocked.
Patient "fights" against the mechanical
strokes in pressure-controlled
ventilation, so that the set inspiratory
pressure volume is achieved with only
a very small volume.
Due to pressure limit or time limit, the
!!
set tidal volume V
has not been
T
applied.
Remedy
Check condition of patient,
check tube.
Check condition of patient,
check machine settings.
Prolong inspiratory time »T
Increase inspiratory flow »Flow«
Increase pressure limit »Pmax«.
Press the »Alarm Reset« key to suppress
the visual and acoustic alarm until the
cause of the alarm is remedied.
«
insp
Advertisement
Table of Contents
