7.3.3 Lead name and corresponding color
The lead names in European standard and U.S. standard (represented with R, L, N, F, C in
European Standard, and represented with RA, LA, RL, LL, V in the U.S. standard) are shown in
Table 9 -1.
Table 7-1: Lead Name in European Standard and American Standard
European Standard (EN) American Standard (AHA)
Lead Name Color Lead Name Color
R Red RA White
L Yellow LA Black
F Green LL Red
N Black RL Green
C White V Brown
7.3.4 Installing the electrodes
3-lead
The electrode placement position of 3-lead is shown in Fig. 7-1.
R/RA electrode: placed below the clavicle, near the right shoulder.
L/LA electrode: placed below the clavicle, near the left shoulder.
F/LL electrode: placed on the left abdomen.
European Standard American Standard
Figure 7-1: 3-Lead placement method