5.3 The Problem Related to the Skin and the Electrode
The wave is disturbed;
the quality of the ECG
signal is poor.
1. The skin can't be cleaned
well, or the electrode isn't
attached right.
Clean the skin and attach once
more.
2. The quality of the one-off
electrode is poor, or the
electrode has been stored for a
Use new, high-quality
electrode.
3. The movement of the
patient's upper limbs is too
severe.
Ask the patient to avoid severe
movement when monitoring.
The amplitude of some
ECG wave is small,
which is difficult for
analysis.
The cable is broken. Change a new cable.
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