ECG Monitoring and Pacemakers
9650-001355-01 Rev. M X Series Operator’s Guide 6-9
ECG Monitoring and Pacemakers
When the unit performs ECG monitoring on a patient with an implantable pacemaker, the unit’s
Pacer indicator feature can indicate the occurrence of pacemaker signals.
If the Pacer Indicator setting is
ON, the X Series performs the following actions:
• detects the implantable pacemaker pulses
• blanks the pacemaker pulses from the waveform—preventing them from disturbing the
ECG waveform and allowing for an accurate QRS detection
• displays and prints vertical dashed lines to indicate the detected pacemaker signals
If the Pacer Indicator setting is
OFF, the X Series does not perform the following actions:
• detect the implantable pacemaker pulses
• blank the pacemaker pulses from the waveform
• display or print the vertical dashed line pacer markers
You can turn the Pacer Indicator
ON/OFF from the Setup>ECG menu.
To turn the Pacer Indicator ON/OFF:
1. Press the More quick access key ( ).
2. Press the Setup quick access key ( ).
3. Use the navigation keys to select ECG then press .
4. Use the navigation keys to highlight and select Patient Pace Marker then press .
5. Use the navigation keys to select On or Off as appropriate. When you select Off, the Pacer
Off Indicator( ) icon appears in the top ECG trace on the Display Screen to indicate the
pacer indicator is off. If the patient has a cardiac pacemaker, the Paced Indicator should be
set to On indicating that pace pulse detection is On.
There are situations where ECG artifact could simulate pacemaker signals which could cause
false pacemaker detection and blanking. These situations may cause inaccurate QRS detection
and it may be desirable to turn the Pacer Indicator
off. Inversely, when the Pacer Indicator
setting is
OFF, implantable pacemaker signals may cause inaccurate QRS detection and it may
be desirable to turn the Pacer Indicator on.
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