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Philips MX400 Instructions For Use Manual Page 87

Intellivue series patient monitors.
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INOP Message, Indication
Cannot Analyze QT
Cannot Analyze ST
Cannot Analyze STE
ECG Equip Malf
Numeric is replaced by -?-
INOP tone
<ECG Lead> Lead Off
!! <ECG Lead> Lead Off
!!! <ECG Lead> Lead Off
Numeric is replaced by -?-
INOP tone
ECG Leads Off
!! ECG Leads Off
!!!ECG Leads Off
Numeric is replaced by -?-
INOP tone
ECG Noisy Elec <ECG
Lead>
ECG Noisy Signal
INOP tone
ECG Out Equip Malf
INOP tone
!!ECG/Ar AlarmsOff
ECG/Arrh AlarmsOff
!!ECG/Ar AlarmsOff
LA Lead Off
Numeric is replaced by -?- for
10 seconds.
INOP tone
LL Lead Off
Numeric is replaced by -?- for
10 seconds.
INOP tone
RA Lead Off
Numeric is replaced by -?-
INOP tone
RL Lead Off
Numeric is replaced by -?- for
10 seconds.
INOP tone
Some ECG AlarmsOff
What to do
The QT algorithm cannot generate a valid QT value for more than 10 minutes, or 1 minute in the
initial phase.
The ST algorithm cannot generate a valid ST value. Possible causes are large variations in the measured
ST values for consecutive beats, or ventricular paced beats. Review the ECG signal quality and the ST
measurement points.
If the patient has a ventricular pacemaker, ST analysis is not possible.
The STE algorithm cannot generate valid ST elevation values. Possible causes are large variations in
the measured ST values for consecutive beats, or ventricular paced beats. Review the ECG signal
quality and the ST measurement points.
Contact your service personnel.
The ECG hardware is faulty.
Not all the required leads for ECG monitoring are connected. Check the ECG connections and make
sure that the electrode indicated by <ECG lead> [RA, LA, LL, RL, V or C] electrodes is attached. In
EASI mode, all 5 electrodes must be connected.
Check that all of the required ECG leads are attached, and that none of the electrodes have been
displaced. The INOP may also be caused by a saturated or overloaded ECG amplifier.
The ECG signal from the named ECG electrodes [RA, LA, LL, RL, V (or C)] is noisy. Check the ECG
connections and make sure that the electrode indicated is attached.
The ECG signal is too noisy. Check that the electrodes are properly placed and have not dried out.
Remove any possible sources of signal noise (such as power cords) from the area around the cable and
the patient.
The ECG signal may be saturated or overloaded.
There is a problem with the device connected to the ECG Out connector. Contact your service
personnel.
All ECG alarms have been switched off, or the HR alarm source is not ECG. To resume ECG alarm
generation, switch ECG alarms on or select ECG as the alarm source.
All ECG alarms have been switched off, or the HR alarm source is not ECG. To resume ECG alarm
generation, switch ECG alarms on or select ECG as the alarm source.
The LA electrode has become detached from the patient or the lead set has been changed. Reattach
the electrode or select New Lead Setup in the Setup ECG menu to confirm the new lead set.
The LL electrode has become detached from the patient or the lead set has been changed. Reattach the
electrode or select New Lead Setup in the Setup ECG menu to confirm the new lead set.
The RA electrode has become detached from the patient or the lead set has been changed. Reattach
the electrode or select New Lead Setup in the Setup ECG menu to confirm the new lead set.
The RL electrode has become detached from the patient or the lead set has been changed. Reattach
the electrode or select New Lead Setup in the Setup ECG menu to confirm the new lead set.
This message appears (if configured to do so) when the on/off settings of the yellow arrhythmia
alarms differ from the current Profile.
4 Patient Alarms and INOPs
87

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