Preparing the Patient: Apply the Electrodes
3-4 MAC 5000 System — 2000657-057, Revision B
Apply the Electrodes
Resting Electrodes
Standard 12 Lead Placement
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 Right and left deltoids.
H LL red F green Right and left thighs.
I RL green N black Right and left thighs.
J RA white R red Right and left deltoids.