Changing The Volume Of The Qrs Tone; Changing The Ecg Filter Settings - Philips IntelliVue X2 Instructions For Use Manual

7 ECG, Arrhythmia, ST and QT Monitoring
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To Change the Size of all the ECG Waves
To change the size of all the ECG waves on the screen by a fixed adjustment factor,
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Changing the Volume of the QRS Tone

The QRS tone is derived from either the HR or Pulse, depending on which is currently selected as the
alarm source. The QRS volume can be set from 0 to 10 (0 means off).
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There will be no QRS tone when the X2 is connected to a host monitor.

Changing the ECG Filter Settings

The ECG filter setting defines how ECG waves are smoothed. An abbreviation indicating the filter
type is shown underneath the lead label on the monitor display. Filter settings do not affect ST
measurement.
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In the lead menu, select Size Up to increase wave size or Size Down to decrease the size.
Selecting AutoSize lets the monitor choose the optimal adjustment factor for all displayed ECG
waves.
In the Setup ECG menu, select Adjust Size.
Select the required adjustment factor from the line of pop-up keys.
– Size x0.5 to halve the wave size
– Size x1 to display the wave without zoom
– Size x2 to double the wave size
– Size x4 to multiply the wave size by four
To change the QRS volume, in the Setup ECG menu select QRS Volume and then select the
appropriate volume from the pop-up list.
To change the filter setting, in the Setup ECG menu, select Filter and then select the
appropriate setting.
– : Use under normal measurement conditions.
Monitor
– Ext. Monitor: Use for pediatric and neonatal patients when diagnostic quality is required
but low frequency interference or a wandering baseline may be expected. The upper edge
frequency is the same as the Diag setting and the lower edge frequency is the same as the
setting.
Monitor
– Filter: The filter reduces interference to the signal. It should be used if the signal is distorted
by high frequency or low frequency interference. High frequency interference usually results in
large amplitude spikes making the ECG signal look irregular. Low frequency interference usually
leads to a wandering or rough baseline. In the operating room, the Filter reduces artifacts and
interference from electro-surgical units. Under normal measurement conditions, selecting
Filter may suppress the QRS complexes too much and thus interfere with the clinical
evaluation of the ECG displayed on the monitor. This does not affect the ECG analysis
performed by the monitor.
If AutoFilter is set to On in Configuration Mode, the filter setting will automatically be set
to Filter if electromagnetic interference is detected.
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Changing the Volume of the QRS Tone