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Possible causes
The ECG leads were not positioned
as expected.
ECG bad
The patient's cardiac activity is
abnormal (e.g., nodal rhythm). In
order to deliver the pulses, the
rhythm must be sinus.
The ECG cable is detached from the
corresponding electrode placed on
the patient.
The synchronizer does not generate
any signal at the R wave.
The width of the R wave detected by
the synchronizer is not high enough.
The ECG electrode is not attached to
the patient.
ECG electrodes are not positioned in
the correct location.
ECG signal lost
The patient's heart rate is less than
17 bpm.
The synchronizer ECG cable is
disconnected.
The BNC coaxial cable, which
connects the synchronizer to
Cliniporator is disconnected.
The patient's heart rate is above 120
bpm.
There is electrical interference on the
ECG track.
ECG signal is noisy
ECG cables cross the connection
cable of an electrical device (e.g.,
electrosurgical unit).
ECG cables cross the connection
cable of an electrical device (e.g.,
electrosurgical unit).
The
detected by the synchronizer is high.
Muscular contractions are high.
52
amplitude
of
the
P
wave
Cliniporator model EPS02 – User manual
What to do
Check if each ECG cable of the Synchronizer is
connected to the correct ECG electrode (i.e. there is
not a reversal of the leads).If the connections match
check, if applicable, that the dip switches are correctly
positioned. For instructions on the correct positioning
of the dip switches, see the synchronizer manual.
Check on the Anaesthesia monitors that the patient's
cardiac activity is really abnormal. If the track detected
by the synchronizer is inaccurate, check the placement
of the electrodes for the leads, otherwise interrupt the
treatment.
Check
the
ECG
cable-electrode
Reconnect the ECG cable to the corresponding
electrode on the patient, if necessary.
Select a different Lead (refer to the user instructions of
the synchronizer).
Select a different Lead (refer to the user instructions of
the synchronizer).
Check the correct positioning of the ECG electrodes
on the patient. Reposition / reattach the ECG electrode
correctly, if necessary.
Check the correct positioning of the ECG electrodes.
Reposition the electrodes in the correct locations (for
instructions on positioning the ECG electrodes, refer to
the user manual of the synchronizer).
Cliniporator delivers the pulses only if patient's heart
rate is above 17 bpm and below 120 bpm. Check on
the Anaesthesia monitors that the heart rate is really
below 17 bpm. If the heart rate detected by the
synchronizer is inaccurate, select a different Lead
(refer to the user manual of the synchronizer).
Check the connections between the ECG cable and
the synchronizer connectors. Reconnect the cable if
necessary.
Check the connection of the BNC cable to the
synchronizer and to the pulse generator. Make sure
that the BNC cable is connected to the synchronizer
output labelled with "ECG OUT" if provided. Reconnect
the cable, if necessary (for information on the
connection with the synchronizer, refer to the user
manual of the synchronizer).
In order for the generator to deliver the pulses, the
patient's heart rate must be above 17 bpm and below
120 bpm. Check on the Anaesthesia monitors that the
heart rate is really above 120 bpm. If the heart rate
detected by the synchronizer is inaccurate, select a
different Lead (refer to the user manual of the
synchronizer).
If the interference is caused by the delivery of the
treatment pulses, wait for the ECG trace to be restored
following the completion of the delivery. If the
interference is attributable to the simultaneous use of
an electro-medical device (e.g. electrosurgery unit),
stop using it and wait for the ECG trace to be restored.
Otherwise check the positioning of the synchronizer
cables and the correct connection to the patient.
Check the relative positioning between the ECG
cables and the electrical equipment cables. Reposition
the electrical equipment cables as required or,
alternatively, switch off the electrical equipment.
Select a different Lead (refer to the user manual of the
synchronizer).
Select a different Lead (refer to the user manual of the
synchronizer).
Limit muscular contraction with muscular relaxation.
connections.
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