Instructions for Use MPR1 DATALOGGER
Manufacturer: zwo-399EN
RAUMEDIC AG, Hermann-Staudinger-Strasse 2, 95233 Helmbrechts, Germany Rev. 9, 2020-10-16
Page 44 of 98
In the measurement of the ICP, other derived values are available apart from the ICP:
• ICP Intra-Cranial Pressure
• ICPA pulse amplitude of the Intra-Cranial Pressure
• CPP Cerebral Perfusion Pression (CPP = ART – ICP)
If two intra-cranial pressures (ICP1 and ICP2) are available, the CPP is calculated from ART and ICP1. If
ICP1 fails (because the sensor has been removed or the sensor is defective or another hardware defect
has occurred, for example) and ICP2 only is available, the CPP is calculated from ART and ICP1
automatically. In this case, a sensor alarm is activated for ICP1, but not for CPP because the limiting values
for CPP calculated from ART and ICP2 are observed.
If only one intra-cranial pressure (ICP1 or ICP2) is available, the CPP is calculated from ART and ICP1 or
ICP2, depending on which measuring location has been allocated.
Please note that in case of a failure of ART or of one of the ICPs, no CPP can be calculated any
more. In this situation no additional CPP alarm is activated in addition to the ART or ICP alarm,
and the CPP is no longer displayed.
Limiting values for ICP
4.4.3.1.1.1
Alarm active / not
active for ICP
Limiting values for ICPA
Alarm active / not active for ICPA
Alarm active / not active for CPP
The settings rendered above are offered as default settings. For data on the basic settings of the alarm
limits, the alarm activation and the settings of the alarm limits, please refer to chapter 4.9.1
Physiological
alarms. In order to change the settings, use the arrow keys to navigate to the requested parameter and
then press the Menu key.
This document is for information only
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