Welch Allyn HR100 Directions For Use Manual page 17

Directions for Use
Table 3. 7-Lead Placement (all models)
Lead
Ch1+
Ch1-
Ch2+
Ch2-
Ch3+
Ch3-
RL
Figure 5. 7-Lead Placement (all models)
AHA Color IEC Color
Red Green
White Red
Brown White
Black Yellow
Orange Orange
Blue Blue
Green Black
Placement
4th intercostal space at left border of sternum
Left clavicle, lateral of sternum border
6th intercostal space at the anterior axillary's line
Right clavicle, lateral to the mid-clavicle line
6th intercostal space on left midclavicular line
Manubrium sternum
Lowest rib on right side of chest
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