Instructions for use Primus Infinity Empowered SW 4.5n 145
Monitoring
– Trend curve for MV and CPAT
Volumeter*
– Shows the minute volume MV and tidal volume
VT as bar graphs.
Virtual flow tubes
Shows the individual flows actually delivered by the
fresh-gas mixer with bar graphs for O2 and N2O or
Air.
Indicators for the active ventilation
source
Gas supply
Shows pipeline and cylinder gas supply pressures
in tabular form.
Econometer (optional)**
Presentation of fresh-gas utilization as a bar graph
with the three ranges surplus, efficient, and defi-
cit.
MV
MAND : Mandatory breathed expiratory
minute volume
Freq. : Respiratory rate
MV
LEAK
(only on the
data
screen)
: Difference between inspiratory
and expiratory minute volume
C
PAT : Patient lung compliance
Determined from PLAT and ex-
piratory V
T.
Lung compliance is equal to the
measured total compliance
minus the system and
hose compliance determined in
the self test.
(only on the data screen)
WARNING
Risk of insufficient ventilation
The displayed spontaneous minute volume
(MV
SPON) indicates the volumes of the pa-
tient's breathing and the mechanical breath-
ing support. If the mechanical breathing sup-
port is triggered by small tidal volumes of the
patient, a major portion of the spontaneous
minute volume is not achieved by the patient's
breathing but the mechanical breathing sup-
port. In this case, MV
SPON indicates a high
value although the actual spontaneous minute
volume is very low.
Do not make therapy decisions based solely
on the displayed value of MVSPON.
VT
PLAT - PEEP
* see page 151 for a detailed description
: Manual ventilation (Man.Spont.)
: Non-rebreathing system at exter-
nal gas outlet (Ext. Outlet)
: Automatic (controlled) ventilation
** see page 152 for a detailed description
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