ECG PRECAUTIONS
VF8 DELTA/DELTA XL/KAPPA 8-5
The monitor identifies detected pacer pulse by a blue mark on the patient's ECG in
channel ECG1. If a QRS complex occurs within 250 ms of a pacemaker pulse, that
QRS complex is identified as a paced beat. In the HR parameter box, paced beats are
identified by the icon
P
. Regular beats continue to be identified by the flashing heart
symbol (
).
When pacer detection is disabled, the message Pacer Off
appears in the ECG1
channel.
To activate pacer detection
1. Click on the HR parameter box.
2. Click on
ECG Options.
3. Click on
Filter.
4. Scroll to OFF and click.
5. Scroll to
Pacer Detection and click to toggle it ON.
Using a five-lead or six-lead cable set to maximize your range of signal choices, you
can further optimize ECG signal acquisition and processing for paced patients as
follows:
1. Activate pacer detection as described above.
2. Select the lead with the least interference and highest R-wave for display in
channel ECG1.
3. Scroll again to
Filter on the ECG menu.
4. Toggle between
Monitor and OFF until you determine which setting gives
you the clearest signal.
Impedance-Derived Rate Response Pacemakers
Pacemakers with impedance-derived rate response emit pulses which can adjust the
pacer rate to the respiration rate. The monitor may interpret the emitted pulses as pacer
pulses, superimposing a blue pacemaker spike on the ECG waveform. For impedance-
derived rate response pacemakers, modify electrode placement until blue spikes on the
waveform disappear.
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