Chapter 4: Patient preparation
Color codes and Labels of Electrodes
There are different labels and color codes for ECG electrodes according to IEC and AHA standards. Select
ECG cable with regard to acceptable standard in your hospital.
IEC standard:
Site for electrodes
Right arm
Left arm
Right leg
Left leg
Chest
AHA standard:
Site for electrodes
Right arm
Left arm
Right leg
Left leg
Chest
Symbol for electrodes
R
L
N (RF)
F
C1
C2
C3
C4
C5
C6
Symbol for electrodes
RA
LA
RL
LL
V1
V2
V3
V4
V5
V6
Color code for electrodes
Red
Yellow
Black
Green
White/ Red
White/Yellow
White/Green
White/Brown
White/ Black
White/ Violet
Color code for electrodes
White
Black
Green
Red
Brown/Red
Brown/ Yellow
Brown/ Green
Brown/ Blue
Brown/ Orange
Brown/ Violet
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