BeneVision N1 Patient Monitor Operator’s Manual 13 - 7
13.5.6 Setting the Display Format of Artery Pressure
To set the display format of the artery pressure, follow this procedure:
1. Select the numeric area or waveform area of any arterial pressure to enter the corresponding menu.
2. Select the
Setup tab.
3. Set
Display Format.
13.5.7 Showing/Hiding the Alarm Limits of Artery Pressure
To set whether to display the alarm limits of the arterial pressure, follow this procedure:
1. Select the numeric area or waveform area of any arterial pressure to enter the corresponding menu.
2. Select the
Setup tab.
3. Switch on or off
Display Alarm Limits.
13.5.8 Setting the Use PA-D as PAWP Switch (only available when the N1 is used with
the independent external display)
The PA-D value can be configured to replace the PAWP value for hemodynamic calculation. To do so, follow this
procedure:
1. Select the PA numeric area or waveform area to enter the
PA dialog.
2. Select the
Setup tab.
3. Switch on or off
Use PA-D as PAWP.
For more information on hemodynamic calculation, see
17.4Hemodynamic Calculations.
13.5.9 Enabling PPV Measurement
PPV indicates pulse pressure variation. When measuring the arterial pressure (except PA), the PPV measurement
is available. To enable the PPV measurement, follow this procedure:
1. Select the IBP numeric area or waveform area to enter the corresponding pressure dialog.
2. Select the
PPV Setup tab.
3. Switch on
PPV Measure.
You can select PPV source after enabling the PPV measurement.
• This monitor can calculate PPV from beat-to-beat values of any arterial pulsatile pressure. The
circumstances under which the calculation of a PPV value is clinically meaningful, appropriate and
reliable must be determined by a physician.
• The clinical value of the derived PPV information must be determined by a physician. According to
recent scientific literature, the clinical relevance of PPV information is restricted to sedated patients
receiving controlled mechanical ventilation and mainly free from cardiac arrhythmia.
• PPV calculation may lead to inaccurate values in the following situations:
â—† at respiration rates below 8 rpm
â—† during ventilation with tidal volumes lower than 8 ml/kg
â—† for patients with acute right ventricular dysfunction (cor pulmonale).
• The PPV measurement has been validated only for adult patients.
13.6 PAWP (only available when the N1 is used with the independent
external display)
Pulmonary Artery Wedge Pressure (PAWP) values, used to assess cardiac function, are affected by fluid status,
myocardial contractility, and valve and pulmonary circulation integrity.
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