4 Patient Alarms and INOPs
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Cannot Analyze QT The QT algorithm cannot generate a valid QT value for more than 10 minutes, or 1 minute in the
initial phase.
Cannot Analyze ST 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.
Cannot Analyze STE 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.
ECG Equip Malf
Numeric is replaced by -?-
INOP tone
Contact your service personnel.
The ECG hardware is faulty.
<ECG Lead> Lead Off
!! <ECG Lead> Lead Off
!!! <ECG Lead> Lead Off
Numeric is replaced by -?-
INOP tone
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.
ECG Leads Off
!! ECG Leads Off
!!!ECG Leads Off
Numeric is replaced by -?-
INOP tone
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.
ECG Noisy Elec <ECG
Lead>
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.
ECG Noisy Signal
INOP tone
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.
ECG Out Equip Malf
INOP tone
There is a problem with the device connected to the ECG Out connector. Contact your service
personnel.
!!ECG/Ar AlarmsOff 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.
ECG/Arrh AlarmsOff
!!ECG/Ar AlarmsOff
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.
LA Lead Off
Numeric is replaced by -?- for
10 seconds.
INOP tone
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.
LL Lead Off
Numeric is replaced by -?- for
10 seconds.
INOP tone
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.
RA Lead Off
Numeric is replaced by -?-
INOP tone
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.
RL Lead Off
Numeric is replaced by -?- for
10 seconds.
INOP tone
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.
Some ECG AlarmsOff This message appears (if configured to do so) when the on/off settings of the yellow arrhythmia
alarms differ from the current Profile.
INOP Message, Indication What to do
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