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The patient’s bed should be of suitable size to ensure that the patient can naturally lie down,
with hands and feet stretching naturally.
5.2 Preparation
To acquire accurate ECG signals, the patient should be explained about the following
information.
Before ECG examination, the patient should not do strenuous exercise, drink alcohol,
smoke, have full meal, have tea, have uncooked and cold food.
Inform the patient of preparation for ECG examination, and make a good explanation to
him or her so as to eliminate his or her mental nervousness.
Before examination, the patient should have a good rest and stay calm.
During examination, the patient should lie down naturally, relax, and breathe calmly and
evenly.
During examination, the patient should not move or turn over casually, with hands and feet
no touching metal objects, such as metals at the bed edges.
Open the ECG machine to warm it up, and then set its parameters. For startup and system
setup, please refer to Chapter 3 and Chapter 4. Power off the ECG machine when
connecting the patient cable and electrodes.
5.3 Electrode Selection and Usage
5.3.1 Examinee’s Skin Preparation
When environmental factors are correct and the examinee is ready for the exam, place
electrodes on examinee body. To obtain accurate ECG signals, properly prepare the
examinee’s skin to be placed with electrodes.
Remove body hair on intended sites.
Wipe the intended sites with alcohol to degrease and remove dead skin cells.
Dry each site with a dry cotton ball.
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