3-6 MACâ„¢ 1600 2028451-182B
Preparing the Patient
Stress ECG Electrodes
Standard 12 Lead Placement
To acquire a standard 12 lead ECG, use the placement shown in the
following illustration.
061A
AHA
Label
IEC Label Electrode Placement
A V1 red C1 red Fourth intercostal space at the right sternal border.
B V2 yellow C2 yellow Fourth intercostal space at the left sternal border.
C V3 green C3 green Midway between location B and D.
D V4 blue C4 brown Mid-clavicular line in the fifth intercostal space.
E V5 orange C5 black Anterior axillary line on the same horizontal level as
D.
F V6 purple C6 purple Mid-axillary line on the same horizontal level as D
and E.
G LA black L yellow Under left clavicle at the furthest point from the
sternum.
H LL red F green On waistline, above left thigh.