ECG Electrode Placement (5 Lead)
Chest electrode positions
C1 (V1): Fourth intercostal space at the right border of the sternum
C2 (V2): Fourth intercostal space at the left border of the sternum
C3(V3): Halfway between 02 (V2) and C4 (V4)
C4 (V4): Fifth intercostal space of the left midclavicular line
05 (V5): Left anterior axillary line at the same level as C4 (V4).
06 (V6): Left midaxillary at the same level as C4 (V4).