13 Monitoring Invasive Pressure
Troubleshooting the Zero
The status line lists the probable cause of an unsuccessful zero:
Message
can't zero;
equipment malf.
can't zero;
excessive offset
can't zero -
unstable signal
can't zero - no
transducer
can't zero;
pulsat. pressure
unable to zero -
timed out
switch <Press> on
first
Adjusting the Calibration Factor
Each time you use a reusable transducer, compare the calibration factor written on your transducer
with the calibration factor shown on the monitor. To ensure accurate measurement, they must be the
same.
1
In the Setup <Press> menu, select Cal. Factor.
If the value here does
list now in accordance with your hospital's procedure.
To confirm you want to use the new calibration factor, select the Confirm popup.
2
Displaying a Mean Pressure Value Only
Use this when you want to see only the mean pressure.
In the pressure's setup menu, select Mean only. Toggle between On to display mean pressure
♦
value only, and Off to display all pressure values (systolic, diastolic and mean).
Changing the Pressure Wave Scale
1
Select the label of the pressure wave whose scale you want to set to enter the Setup menu.
In the Setup
2
3
Select a value from the pop-up list:
– a positive value sets the top gridline. The bottom gridline is set at zero.
– a negative value sets the bottom gridline. The middle gridline is set at zero.
166
Corrective Action
The hardware is faulty. Contact your service personnel.
Make sure the transducer is vented to air and try again. If this fails, the hardware
may be faulty. Replace the adapter cable and try again. If it fails, replace the
transducer and try again. If it still fails, contact your service personnel.
Make sure that the transducer is connected and try again. If this fails, exchange
the adapter cable and try again. If this fails, exchange the transducer.
Make sure that the transducer is vented to air, not to the patient, and try again.
Try pressing the Zero key again. If this fails, replace the transducer and adapter
cable and contact your service personnel.
Pressure measurement is switched off. To switch it on, in the Setup Pressure
menu, select the pressure's label.
match that on the transducer, select the corresponding value from the
not
menu, (for example ABP) select Scale.
<Press>
Adjusting the Calibration Factor