SE-1010 PC ECG User Manual Preparations Before Operation
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Table 5-1 Electrodes and Their Identifiers and Color Codes
European
American
WILSON
FRANK
Identifier
Color Code
Identifier
Color Code
Right arm
Right arm
R
Red
RA
White
Left arm
Left arm
L
Yellow
LA
Black
Right leg
Right leg
N or RF
Black
RL
Green
Left leg
Left leg
F
Green
LL
Red
Chest 1
I
C1
White/Red
V1
Brown/Red
Chest 2
E
C2
White/Yellow
V2
Brown/Yellow
Chest 3
C
C3
White/Green
V3
Brown/Green
Chest 4
A
C4
White/Brown
V4
Brown/Blue
Chest 5
M
C5
White/Black
V5
Brown/Orange
Chest 6
H
C6
White/Violet
V6
Brown/Violet
5.4.1 Wilson Lead System
C1: Fourth intercostal space at the right border of the sternum
C2: Fourth intercostal space at the left border of the sternum
C3: Fifth rib between C2 and C4
C4: Fifth intercostal space on the left midclavicular line
C5: Left anterior axillary line at the horizontal level of C4
C6: Left midaxillary line at the horizontal level of C4
