Welch Allyn Holter System - User Manual - Manual (Page 22)

18 Directions for Use Welch Allyn Holter System
Figure 8. 12-Lead Placement (HR1200 only)
Table 4. 12-Lead Placement (HR1200 only)
AHA
Lead
AHA
Color IEC
Lead
IEC
Color
Placement
RA White R Red Right clavicle, lateral of sternum border
LA Black L Yellow Left clavicle, lateral of sternum border
LL Red F Green Lowest rib on left side of chest
V1 Brown/Red C1 White/Red 4th intercostal space on right border of sternum
V2 Brown/Yellow C2 White/Yellow 4th intercostal space on left border of sternum
V3 Brown/Green C3 White/Green Midway between Lead V2 and Lead V4.
V4 Brown/Blue C4 White/Brown 5th intercostal space on left midclavicular line
V5 Brown/Orange C5 White/Black Left anterior auxiliary line at the horizontal level of V4
V6 Blue/Violet C6 White/Violet Left mid-auxiliary line at the horizontal level of V4
RL Green N Black Lowest rib on right side of chest
RA
LL
LA
RL
V6
V5 V4
V3
V2
V1