Directions for use
Electrode locations
A
B
C
D
E
F
G
H
AHA
IEC
V1
C1
(red)
(red)
V2
C2
(yellow)
(yellow)
V3
C3
(green)
(green)
V4
C4
(blue)
(brown)
V5
C5
(orange)
(black)
V6
C6
(purple
(purple)
LA
L
(black)
(yellow)
LL
R
(red)
(green)
Location
Fourth intercostal space at the right sternal border.
Fourth intercostal space at the left sternal border.
Midway between V2 and V4.
Fifth intercostal space to the left of the midclavicular line.
Anterior axillary line at the same horizontal level as V4.
Mid-axillary line at the same horizontal level as V4 and V5.
Just above the left wrist on the inside of the arm.
Just above the left ankle.
ECG tests 25