Applying Electrodes To The Patient - ZOLL M2 Operator's Manual

Chapter 6 Monitoring ECG

Applying Electrodes to the Patient

The following sections show where to place electrodes when using 3- and 5-lead cables to
perform ECG monitoring. For 3-lead ECG cables, apply electrodes as shown in Figure 6-1,
3-Lead Electrode Placement. For 5-lead ECG cables, apply electrodes as shown in Figure 6-2,
5-Lead Electrode Placement.
Avoid placing electrodes over tendons and major muscle masses.
Make sure that the ECG electrodes are placed to allow defibrillation, if necessary.
3-Lead Electrode Placement
Depending upon local usage, the ECG leads are marked either RA, LA, and LL (or R, L, and
F). The following table shows the markings and color codes for the different lead sets.
AHA/AAMI Color Coding
RA/White Electrode
LA/Black Electrode
LL/Red Electrode
Figure 6-1 3-Lead Electrode Placement
6-4
IEC Color Coding
R/Red Electrode
L/Yellow Electrode
F/Green Electrode
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Placement of Electrodes
Place near patient's right mid-clavicular
line, directly below clavicle.
Place near patient's left mid-clavicular
line, directly below clavicle.
Place between 6th and 7th intercostal
space on patient's left mid-clavicular line.
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