Revision C MAC 1200/1200 ST 4-5
2012250-021
Preparing for ECG Recording: Electrode Application
Electrode Placement for Standard Leads (l, II, III, aVR, aVL, aVF,
V1...V6)
For acquisition of the standard ECG leads, four electrodes must be
applied on the limbs and six on the chest. The limb electrodes should be
placed above the wrists and ankles. The figure below shows the chest
electrode application points.
Chest Electrode Placement
* additional standard leads
Description
C1 4th intercostal space at the right border of the sternum
C2 4th intercostal space at the left border of the sternum
C3 On the 5th rib, midway between locations C2 and C4
C4 At the mid-clavicular line in the 5th intercostal space
C5 At the anterior auxiliary line on the same horizontal level as C4 and C6
C6 At the mid-auxiliary line on the same horizontal level as C4
C7* At the left posterior auxilary line in the 5th intercostal space
C8* At the left scapulary line in the 5th intercostal space
C3R* Opposite C3, on the right side of the chest
C4R* Opposite C4, on the right side of the chest
C1
C1C3R
C4R
C2C3
C4
C5
C6
C7
C8
C2
C3
C4
C5
C6
C3R
C4R
008A
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