ECG
11-3
Preparing the patient and placing the electrodes
Preparing the patient
•
Prepare the skin properly to ensure optimal signal quality.
• Shave any hair from the electrode site. Gently rub the skin surface to increase capillary
blood flow and remove dead skin cells and oil.
• Clean the skin using a mild soap and water solution.
• Dry the skin completely before applying the electrodes.
• Pre-gelled electrodes are recommended. Check that the electrodes are moist and have
not dried out during storage.
Placing the electrodes
When placing the electrodes, avoid bones close to the skin, obvious layers of fat and major
muscles.
Figure 11-3 Electrode positioning with 3-lead ECG
Figure 11-4 Electrode positioning with 5-lead ECG
L = YELLOW (IEC)
LA = BLACK (AAMI)
C = WHITE (IEC)
V = BROWN (AAMI)
N = BLACK (IEC)
RL = GREEN (AAMI)
F = GREEN (IEC)
LL = RED (AAMI)
R = RED (IEC)
RA = WHITE (AAMI)
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