—
１６
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The baseline
possess the burr
1·AC interference is big
2·The patient excitement
，
EMG interference
is big
1·Improvement environment
2·If iron and steel bed
，
Need
change
3·the power source line and joint line
of the ECG machine is non- parallel
or too near
The waveform is
not Regular
Big undulation
，
Right line
1·Electrode electric conductivity is not
good
2·The batteries are drained
3·The electrode is loose contact against skin
4·The joint line and leader’s plug part is not
connection enough
5·the connection between patient cable and
electrodes is not well
1·The alcohol of use is asked for
well
2·Use
ethyl
alcohol
to
wash
electrode wafer and the skin under
the electrode
3·Be charged to the battery
4·The electrode reed tightly clip
Baseline drift
1·The batteries are drained
2·Patient moves
1·Be charged to the battery
2·Keep patients quietly
The waveform is
not understand
1·There is the filthy matter in the print head
face
2·Paper problem
1·The situation of the power off
Wash print head by alcohol
，
it
may be print after the alcohol has
volatilized
2·Replace thermal paper which
assigned
