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Philips Efficia DFM100 Instructions For Use Manual Page 196

Defibrillator/monitor.
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17: Troubleshooting
Table 50
ECG Problems
Symptom
QRS beeper inaudible or
beeps do not occur with
each QRS complex.
Poor ECG signal quality
(noisy trace, wandering
baselines, etc.) from signal
acquired through
monitoring electrodes.
Poor ECG signal quality
(noisy trace, wandering
baselines, etc.) from signal
acquired through pads.
When monitoring with
pads, there is a dashed line
on the display instead of an
ECG.
NOTE: Viewing a patient's ECG through paddles is not recommended for long-term monitoring. See
"Quick Look"
184
Possible Cause
The QRS volume is

configured to
or the
setting is too low.
The QRS volume was turned
off or set too low through
the Volume menu.
The amplitude of the QRS
complex is too small to
detect.
The monitoring electrodes
are not making proper
contact with the patient.
The monitoring electrodes
are out of date or dried out.
Radio frequency interference
(RFI) is causing artifact.
The ECG cable may be
faulty.
The pads are not making
proper contact with the
patient.
The pads are outdated or
dried out.
Radio Frequency
Interference (RFI) is causing
artifact.
The Therapy cable may be
faulty.
ECG data is not being
acquired.
on page 81.
Potential Solution
Configure the QRS beeper volume.
Adjust the volume through the Volume menu.
Select a different lead.
Check that the monitoring electrodes are properly
applied. If necessary, prepare the patient's skin and
apply new electrodes.
Check the date code on the electrodes. Do not open the
electrode package until immediately prior to use.
Relocate or turn off equipment that may be causing
RFI. Try repositioning the cables/leads.
Run an Operational Check with the ECG cable and
check Leads ECG results.
If the test fails, replace the ECG leadset and trunk cable.
Ensure proper skin preparation and correct application.
If necessary, apply new pads. Paddles are only for a
quick look, not long term monitoring.
Check the date code on the pads. Do not open the pads
package until immediately prior to use.
Relocate or turn off equipment that may be causing
RFI. Try repositioning the Therapy cable.
Run an Operational Check with the Therapy cable and
check pads ECG results.
If the test fails, replace the Therapy cable.
Confirm that the desired lead is selected.
Check the pads, paddles or ECG cable connection.
Check that the pads, paddles, or monitoring electrodes
are properly applied.
Symptoms

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