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7.3.2 ECG Electrodes Placement
Electrode Placement
The ECG leads and their corresponding locations are as follows:
Electrode connection 1
(IEC Standard)
Electrode connection 2
(AHA Standard)
Electrode position on body surface
Color code
Label on
lead wire
connection
Color code
Label on
lead wire
connection
Red
R
White
RA
Right Arm: The intersection between the centerline
of the right clavicle and Rib 2
Yellow
L
Black
LA
Left Arm: The intersection between the centerline
of the left clavicle and Rib 2
Green
F
Red
LL
Left Leg: Left part of the upper abdomen
Black
N/RF
Green
RL
Right Leg: Right part of the upper abdomen
White
C
Brown
V
Any of the following location (C1-C6 or V1-V6) on chest
White/red
C1
Brown
V1
4
th
Intercostal (IC) space at right border of sternum
White/yellow
C2
Brown/yellow
V2
4
th
IC space at left border of sternum
White/green
C3
Brown/green
V3
Midway between V2 and V4
White/brown
(blue)
C4
Brown/blue
V4
5
th
IC space on left midclavicular line
White/black
C5
Brown/red
V5
Left anterior axillary line at the horizontal level of V4
White/purple
C6
Brown/purple
V6
Left midaxillary line at the horizontal level of V4
7.4 Understanding the ECG Display
Your display may be configured to look slightly different.
ECG waveform