Agilent Technologies M4735A - Page 68

Applying Monitoring Electrodes
4-6 Monitoring the ECG
)LJXUH3UHFRUGLDO/HDG(OHFWURGH3ODFHPHQW
7DEOH /HDG(&*/HDG)RUPDWLRQ
Lead Lead Formation
ILA - RA
II LL - RA
III LL - LA
aVR
RA -
aVF
LL -
aVL
LA -
V
x
V/C -
1
2
3
4
5
6
Lead Location
V1 C1 forth intercostal space, at right sternal
margin
V2 C2 forth intercostal space, at left sternal
margin
V3 C3 midway between V2/C2 and V4/C4
V4 C4 fifth intercostal space, at left
midclavicular line
V5 C5 same level as V4/C4, on anterior
axillary line
V6 C6 same level as V4/C4, at left mid
axillary line
LA
+
LL
2
RA
+
LA
2
RA
+
LL
2
RA
+
LA
+
LL
2