Hillrom Welch Allyn H12+ Manual

LEAD PLACEMENT
Limb Electrode
AAMI IEC Placement
On or below the right clavicle
RA R
as shown
On or below the left clavicle
LA L
as shown
Reference or ground lead,
should be placed in a stable
RL N
location of the body
Lower-left side of body in a
LL F stable location, as close to
the hip as possible
NOTE AND CAUTION: Placement of the Left Leg (LL) electrode in the original Mason-Likar
position increases the similarity of the acquired ECG with a standard 12-lead ECG and is therefore
Welch Allyn
12-LEAD HOLTER ELECTRODE PLACEMENT
Precordial Electrode
AAMI
12-lead Holter
IEC Placement
Fourth intercostal space at
V1 C1
the right sternal border
Fourth intercostal space at
V2 C2
the left sternal border
V3 C3 Midway between V2 and V4
Fifth intercostal space at
V4 C4 the left of the midclavicular
line
Anterior axillary line on the
V5 C5
same horizontal level as V4
Mid-axillary line on the
V6 C6 same horizontal level as V4
and V5
®
H12+™