Biocare iE 101, User Manual

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C h a p t e r 8 Troubleshooting
User Manual for Electrocardiograph -- 55 --
8.4 AC Interference
Apparent and regular trembling of ECG waveform in the process of recording due to AC interference is shown as
below.
Causes of baseline wander are varied, please do following checks one by one
：
1. Make sure the ECG machine is properly grounded according to the instructions.
2. Make sure the lead wires or electrodes are properly connected.
3. Make sure the electrodes and the animal skin have been covered with ECG gel.
4. Make sure the exam bed is properly grounded.
5. Make sure the animal is not in touch with the wall or the metal part of the bed.
6. Make sure the animal is not in touch with anybody else.
7. There shall be no large power electric equipment (such as x-ray machine, ultrasound scanner and so on)
operating nearby.
CAUTION
Set AC filter to ON if AC interference still exists after the above checks are completed.
8.5 EMG Interference
Irregular trembling of ECG waveform due to EMG interference is shown as below.
Causes of baseline wander are varied; please do following checks one by one:
1. Make sure that the exam room is comfortable for examination.
2. Soothe the animal from irritation or excitement.
3. Make sure the exam bed is in suitable size.
4. Make sure the limb electrode is too tight to make the animal uncomfortable.