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ECG and Heart Rate Monitoring
3.6. Electrode Placement for Paced Patients (AHA)
For ECG cable lead sets with AHA (USA) lead designations, the optimal
electrode placement for patients with pacemakers may be as illustrated in the
following diagram:
Note – If using a three-wire ECG cable lead set, you only need to apply the RA, LA, and
LL electrodes, and only Lead II will be available.
RA (White)
RL (Green)
Figure 17. Paced AHA Electrode Placement
1. Position the right arm (RA) electrode on the right mid-clavicular line, 5
intercostal space.
2. Position the left arm (LA) electrode on the left mid-clavicular line, directly
below the clavicle.
3. Position the right leg (RL) electrode on the right mid-clavicular line, 6
th
and 7
intercostal space (5-lead cable only).
4. Position the left leg (LL) electrode on the left mid-clavicular line, 6
th
5
intercostal space.
5. Position the chest (V) electrode on the 4
border (5-lead cable only).
April 2019
V (Brown)
th
intercostal space, right sternal
N i g h t i n g a l e P P M 3 U s e r ' s G u i d e
LA (Black)
LL (Red)
th
th
th
and
3-7
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