SE-3&SE-300 Series Electrocardiograph User Manual Operation Preparations
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Loading/Replacing Process of Folded Thermal Paper:
1) Place fingers under the two flanges of the recorder casing, pull them upwards directly to
release the casing.
2) Remove remainder paper in the paper tray if necessary.
3) Take off the wrapper of the new folded thermal paper, and then put it in the paper tray.
4) Pull about 2 cm of paper out with the grid side of the paper facing the thermal print head,
and shut the recorder casing.
5) Press down the recorder casing firmly.
4.3 Preparing the Patient
4.3.1 Instructing the Patient
Before attaching the electrodes, greet the patient and explain the procedure. Explaining the
procedure decreases the patient’s anxiety. Reassure the patient that the procedure is painless.
Privacy is important for relaxation. When possible, prepare the patient in a quiet room or area
where others can’t see the patient. Make sure that the patient is comfortable. The more relaxed
the patient is, the less the ECG will be affected by noise.
4.3.2 Preparing the Skin
Thorough skin preparation is very important. The skin is a poor conductor of electricity and
frequently creates artifact that distorts the ECG signal. By performing methodical skin
preparation, you can greatly reduce the possibility of the noise caused by muscle tremor and
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