10-3
3-Leadwire Electrode Placement
Following is the configuration per European standard when using three leadwires:
R (right arm) electrode: near the right shoulder, directly below the clavicle.
L (left arm) electrode: near the left shoulder, directly below the clavicle.
F (left leg) electrode: on the left hypogastrium.
Figure 10-1 Positions of 3-Leadwire Electrode Placement
The chart below shows the label used to identify each leadwire. Included also is its associated
color code per American (AHA) and European (IEC) standards.
American Standard European Standard
Label Color Label Color
RA White R Red
LA Black L Yellow
LL Red F Green
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