Acquiring a 12-Lead ECG
Preparing the Patient
For electrode placement information, refer to Figure 6-3.
Figure 6-3
Electrode Placement
6-10
V1/C1
V2/C2
V3/C3
RA/R
RL/N
Lead
Position
V1/C1
Fourth intercostal space, at right sternal margin.
V2/C2
Fourth intercostal space, at left sternal margin.
V3/C3
Midway between V2 and V4.
V4/C4
Fifth intercostal space, at left midclavicular line.
V5/C5
Same level as V4, on anterior axillary line.
V6/C6
Same level as V4, at left midaxillary line.
RA/R
Inside of arm, between wrist and elbow.
LA/L
Inside of arm, between wrist and elbow.
RL/N
Inside of calf, between knee and ankle.
LL/F
Inside of calf, between knee and ankle.
V4/C4
V5/C5
V6/C6
LA/L
LL/F
6-3