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Pulse Pressure Variation (PPV)
CNAP
®
Monitor 500
Page 11-2
Version 5.2.5,
h
21-FHZU-10002
11.2
Performing CNAP
®
-PPV/SVV measurements
The measurement of CNAP
®
-PPV (Pulse Pressure Variation) is possible for the types CNAP
®
Monitor
500i/at+PPV and CNAP
®
Monitor 500i/at+HD. The measurement of CNAP
®
-SVV is only possible
with the device type CNAP
®
Monitor 500i/at+HD. The activation of the CNAP
®
-PPV/SVV parameters
with a license key is described in chapter 4.4.
Illustration 54: Display of the CNAP
®
-PPV during a measurement
In the default configuration of the monitor the measurement of CNAP
®
-PPV is disabled. The pa-
rameter can be enabled only for the current measurement in the parameter frame
Hemodynamic
| Hemodynamic
and must be set to
PPV
or
HD
. It also can be set as a default for all measure-
ments in the menu
Setup | Measurements | Hemodynamic
by enabling PPV or HD.
For the activation of the CNAP
®
-SVV the above mentioned menu entry
Hemodynamic
must be
set to
HD
. CNAP
®
-PPV and CNAP
®
-SVV can only be displayed alternately, i.e. not at the same time.
The displayed parameter can be selected in the menu
Display Options | Trend Parameters
| PPV/SVV Trend
or set as a default setting for all measurements
Setup | Measurement |
Display Options | Trend Parameters | PPV/SVV Trend
.
Stop:
•
Before considering a measurement with CNAP
®
-PPV/SVV, make sure that the pre-
conditions for an accurate PPV/SVV measurement are fulfilled. The warnings regard-
ing CNAP
®
-PPV/SVV are listed in chapter 11.1.
After the initialization phase of the CNAP
®
Monitor 500 the value of the CNAP
®
-PPV/SVV (orange) is
displayed in the hemodynamic field and in the trend frame (see illustration 47).
Distributed by BIOPAC Systems, Inc.
Manufactured by CNSystems AG