Product Manual

Patient Monitor User Manual Monitoring ECG
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default, Vb is Lead V5 by default.
4 If AUTO is selected in the ECG Setup menu, when the electrodes connected to
patient is reduced from 10 electrodes to 3/5/6 electrodes, user can click Update
Lead Setup button to enable the monitor to perform lead off alarm according to
actual electrodes.
5 If AUTO is selected in the ECG Setup menu, Va and Vb cannot be set when the
monitor recognizes the 10 electrodes system automatically. Va is fixed as V1 and Vb
is fixed as V2.
9.6.5 Setting Pace Status
It is important to set the paced status correctly when you start monitoring ECG. To change the
paced status in the ECG Setup menu, select Pace to toggle between On or Off. When Pace is set
to On:
- Pace Pulse Rejection is switched on. This means that pacemaker pulses are not counted as
extra QRS complexes.
–Paced symbol is displayed as
|
on the main screen. At this time, the artifact is displayed on
the screen instead of the actual pacemaker crest. All pacemaker crests are the same, so do not
give a diagnostic explanation about the size and shape of the pacemaker crest.
NOTE:
When monitoring a patient with a pacemaker, set Pace to On. If monitoring a patient
without a pacemaker, set Pace to Off.
WARNING
1 For patients with pacemakers, the pace must be switched ON. Otherwise, the pacing
impulse may be counted as regular QRS complexes, which could prevent an asystole
event from being detected. When changing settings and admitting patients, please
make sure the pace mode is always correct.
2 External pacing electrodes: When using pacemakers with external pacing electrodes
on the patient, the quality of arrhythmia is severely degraded due to the high energy
level in the pacemaker pulse. This can cause arrhythmia algorithms can not detect the
pacemaker without capturing or asystole.
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. Be sure to check the paced symbol on the display screen has correctly detected the
pacing pulse. Keep pacemaker patients under close observation.
9.6.6 ECG Calibration
This item is used to calibrate ECG waveform. When you select this item from ECG Setup menu
again, the ECG waveform calibration ends.