Philips HEARTSTART XLT M3500B Instructions For Use Manual page 56

Applying Monitoring Electrodes
4-4
Figure 4-2 Precordial Lead Electrode Placement
1
2
3
4
Table 4-2 5-Lead ECG Lead Formation
Lead
I LA - RA
II LL - RA
III LL - LA
aVR
RA -
aVF
LL -
aVL
LA -
V (or C )
x x
V/C -
where x = 1-6
Electrode
V1 C1
V2 C2
V3 C3
5
6
V4 C4
V5 C5
V6 C6
Lead Formation
LA + LL
2
RA + LA
2
RA + LL
2
RA + LA + LL
3
Location
forth intercostal space, at right sternal
margin
forth intercostal space, at left sternal
margin
midway between V2/C2 and V4/C4
fifth intercostal space, at left midclav-
icular line
same level as V4/C4, on anterior axil-
lary line
same level as V4/C4, at left mid axil-
lary line
Monitoring the ECG