HP Codemaster 100 User Manual page 139

For tips on proper ECG technique, see the quick reference card included with this
product located in the carry bag front/top panel.
Proper patient preparation and electrode placement are the most important elements
NOTE
in producing a high quality ECG trace. The patient should be supine when acquiring
an ECG. If this is not possible, note the patient's position and ensure this factor is
considered for diagnosis.
Prepare the patient by performing the following steps.
1 Reassure and relax the patient.
2 Make sure the electrode site is not covered by hair or clothing.
3 Place electrodes on the patient.
4 Attach each lead wire to the correct electrode.
5 The upper-left corner of the screen displays the electrodes that are not placed
Prepare the skin to ensure good contact between the skin and the electrode by
gently cleaning and abrading the surface of the skin with dry gauze.
firmly on the patient and/or the lead wires that are not attached securely to the
electrodes. (See Table 6-2.) This is an indication of "leads off". Correct the
attachment of any lead/electrode pair that appears on the screen.
Acquiring a 12-Lead ECG
6-11