Welch Allyn CP 100 12-Lead Resting Electrocardiograph - User Manual - Manual (Page 49)

Directions for Use Chapter 5 Performing ECG Tests 45
Figure 27. Electrode Placement Locations — Adult and Standard Pediatric
Electrodes
AHA IEC Locations
A V1
red
C1
red
Fourth intercostal space at right sternal border.
B V2
yellow
C2
yellow
Fourth intercostal space at left sternal border.
C V3
green
C3
green
Midway between V2 and V4.
D V4
blue
C4
brown
Fifth intercostal space at left of midclavicular line.
E V5
orange
C5
black
Anterior axillary line at same horizontal level as V4.
F V6
purple
C6
purple
Mid-axillary line on same horizontal level as V4 and V5.
G LA
black
L
yellow
Just above left wrist on inside of arm.
H LL
red
F
green
Just above left ankle.
I RL
green
N
black
Just above right ankle.
J RA
white
R
red
Just above right wrist on inside of arm.
J
A
I
B C
D
E
F
G
H