Mindray BeneHeart D2, Operator'S Manual

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Defibrillator/Monitor Operator’s Manual 5 - 7
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The P-waves and T-waves should be less than 0.2mV.
5.6.4 Setting the ECG Waveform Layout
1. Select the ECG parameter area to enter the [ ECG Setup ] menu.
2. Select [ Cascade ] and toggle between [ On ] and [ Off ].
5.6.5 Changing ECG Waveform Size
If the ECG waveform is too small or clipped, you change its size by using the Navigation knob.
1. Rotate the Navigation knob to move the cursor on the ECG waveform gain.
2. Press the Navigation knob to highlight it.
3. Rotate the Navigation knob until you find the desired item, and then press the knob to confirm the
selection.
5.6.6 Changing ECG Waveform Speed
1. Select the ECG parameter area to enter the [ ECG Setup ] menu.
2. Select [ Sweep ], and then choose an appropriate value. The faster the wave sweeps, the wider the wave is.
You can also set [ Sweep ] by selecting [ ECG Setup ] from the Configuration Main menu.
5.6.7 Setting the ECG Filter
■
When monitoring ECG through 3/5- lead set, filter mode is displayed above the first ECG waveform. The
available filter mode settings are [
Monitor ], [ Therapy ], and [ Diagnostic ].
■ When monitoring ECG through external paddles/electrode pads, filter mode is always [ Therapy ] and can
not be changed.
To set the ECG filter mode:
1. Rotate the Navigation knob to move the cursor on the ECG filter mode.
2. Press the Navigation knob to highlight it.
3. Rotate the Navigation knob until you find the desired item, and then press the knob to confirm the
selection.
NOTE
•
For paced patients, you must set [Paced] to [Yes]. If it is incorrectly set to [No], the system may
mistake an internal pace pulse for a QRS or fail to alarm when the pacer is broken.
5.6.8 Switching On or Off the Notch Filter
The notch filter removes the AC line noise. Switching on the notch filter is recommended when there is
interference with the waveform.
■ When the ECG filter mode is set to [ Monitor ] or [ Therapy ], [ Notch Filter ] is always [ On ].
■ When the ECG filter mode is set to [ Diagnostic ], [ Notch Filter ] can be switched on or off as required.
Set notch frequency according to the electric power frequency of your country. To switch on or off notch filter:
1. Select the ECG parameter area to enter the [ ECG Setup ] menu.
2. Select [ Others >> ]
→
[ Notch Filter ], and toggle between [ On ] and [ Off ].
You can also set the power frequency of notch filter by selecting [ ECG Setup ] through the Configuration Main
menu.
NOTE
N
•
The setting of [ Notch Filter ] will not be changed by restoring to factory default settings nor shutting
down the system.