12 Monitoring Invasive Pressure

Adjusting the Calibration Factor

If you are measuring pressures with more than one measuring device, using the Zero SmartKey to initiate the zeroing calls up a list of all active pressures. Select the pressure you want to zero or select All Press to zero all pressures simultaneously.

Troubleshooting the Zero

The status line lists the probable cause of an unsuccessful zero:

Message

Corrective Action

 

 

unable to zero -

The hardware is faulty. Contact your service personnel.

equipment

 

malfunction

 

unable to zero -

Make sure the transducer is vented to air and try again. If this fails, the hardware

excessive offset

may be faulty. Replace the adapter cable and try again. If it fails, replace the

unable to zero -

transducer and try again. If it still fails, contact your service personnel.

unstable signal

 

unable to zero -

Make sure that the transducer is connected and try again. If this fails, exchange

no transducer

the adapter cable and try again. If this fails, exchange the transducer.

unable to zero -

Make sure that the transducer is vented to air, not to the patient, and try again.

pulsatile

 

pressure

 

unable to zero -

Try pressing the Zero key again. If this fails, replace the transducer and adapter

timed out

cable and contact your service personnel.

switch <Press> on

Pressure measurement is switched off. To switch it on, in the Setup Pressure

first

menu, select the pressure’s label.

 

 

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.

1In the Setup <Press> menu, select Cal. Factor.

If the value here does not match that on the transducer, select the corresponding value from the list now in accordance with your hospital’s procedure.

2To confirm you want to use the new calibration factor, select the Confirm popup.

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

1Select the label of the pressure wave whose scale you want to set to enter the Setup menu.

2In the Setup <Press> menu, (for example ABP) select Scale.

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Philips MP60/70/80/90 Adjusting the Calibration Factor, Displaying a Mean Pressure Value Only, Troubleshooting the Zero

MP60/70/80/90, MP40/50, MP20/30 specifications

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