Understanding the ECG Display 7ECG, Arrhythmia, ST and QT Monitoring
95
WARNING Pace pulse rejection must be switched on for paced patients by setting “Paced” to Yes. Switching pace
pulse rejection off for paced patients may result in pace pulses being counted as regular QRS
complexes, which could prevent an asystole event from being detected. When changing profiles, and at
admission/discharge, always check that paced status is correct for the patient.
Some pace pulses can be difficult to reject. When this happens, the pulses are counted as a QRS
complex, and could result in an incorrect HR and failure to detect cardiac arrest or some arrhythmias.
Make sure that pace pulses are detected correctly by checking the pace pulse markers on the display.
Keep pacemaker patients under close observation.
Understanding the ECG Display
Your display may be configured to look slightly different.
ECG HR numeric: This is the heart rate derived from the monitored ECG.
Pace pulse markers: These are shown if the Paced status has been set to Yes, the pacer spikes are not
configured to have a fixed size, and the patient has a paced signal.
Pacer Spikes: The pacer spikes are shown in white, unless the ECG wave is white, then they will be
green. If the pacer spikes have been configured to have a fixed size, they will be displayed in the
background as a dotted line.
1Lead label of the displayed wave
2 1 mV calibration bar
3Pacer spikes
4Pace pulse markers
5Current heart rate
6Current heart rate alarm limits
7EASI lead placement label
8ECG Filter label
EASI
M
HR bpm
4
8
1
6
5
7
3
Paced Rhythm
2
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