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9.5 Maintenance of Electrodes and Lead Wires
Conduction of each lead wire will directly affect ECG traces. If it conducts poorly (any one lead
conducts poorly), it will cause virtual image of corresponding lead wire on ECG traces.
Therefore the conduction must be inspected regularly, at least once a month.
Slightly bending or entangling the lead wire will shorten its life. Please put it in as good order as
possible before use.
Electrodes must be properly stored. After long-term use, their surfaces may become oxidized
and discolored because of corrosion, at this moment, it’s better to replace them.
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