Philips HEARTSTART XLT M3500B Manuale Utente
Applying Monitoring Electrodes
4-4
Monitoring the ECG
Figure 4-2 Precordial Lead Electrode Placement
Table 4-2 5-Lead ECG Lead Formation
Lead
Lead Formation
I
LA - RA
II
LL - RA
III
LL - LA
aVR
RA -
aVF
LL -
aVL
LA -
V
x
(or C
x
)
where x = 1-6
V/C -
1
2
3
4
5
6
LA + LL
2
RA + LA
2
RA + LL
2
RA + LA + LL
3
Electrode
Location
V1
C1
forth intercostal space, at right sternal
margin
margin
V2
C2
forth intercostal space, at left sternal
margin
margin
V3
C3
midway between V2/C2 and V4/C4
V4
C4
fifth intercostal space, at left midclav-
icular line
icular line
V5
C5
same level as V4/C4, on anterior axil-
lary line
lary line
V6
C6
same level as V4/C4, at left mid axil-
lary line
lary line