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ERROR MESSAGES AND TROUBLESHOOTING
Lead quality problems
The following table describes different lead quality problems and possible actions to try to resolve this:
Condition
Possible Causes
Actions
Bad signal
• Poor electrode contact with skin
• Not all electrodes are touching
• Make sure QardioCore is fitting tightly and
that all electrodes are touching the skin
Wandering baseline
(an upward and
downward fluctuation
of the waveforms)
• Electrodes that are dirty, loose, or
positioned on a bony area.
• Oily skin or body lotions
• Rising and falling of chest during
rapid or apprehensive breathing.
• Not all electrodes are touching
• Clean skin with alcohol or acetone
• Reposition QardioCore higher (or lower)
on the chest so that all electrodes are
touching. User should relax
• If wandering baseline persists, go to
Settings and ensure Baseline filter is
turned on
