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Troubleshooting
4-8 Monitoring the ECG
Poor ECG signal
quality
The monitoring elec-
trodes are not making
proper contact with the
patient.
The monitoring elec-
trodes are outdated or
dried-out.
Radio frequency inter-
ference (RFI) is causing
artifact.
Check that the monitoring
electrodes are properly
applied. If necessary, pre-
pare the patient’s skin and
apply new electrodes.
Check the date code on
the electrodes. Do not
open the electrode pack-
age until immediately
prior to use.
Relocate or turn off equip-
ment that may be causing
RFI.
QRS beeper inau-
dible or beeps do
not occur with
each QRS com-
plex.
The QRS beeper is con-
figured to Off.
The amplitude of the
QRS complex is too
small to detect.
Check that the QRS
beeper is configured to
On.
Adjust the volume.
Adjust the size of the
ECG.
Table 4-5 Troubleshooting Tips (Continued)
Situation Cause Solution