ECG Monitoring
8-6
For a 5-lead configuration, place the chest (V) lead electrode at one of the following positions:
V1: 4
th
intercostal space, at the right sternal border.
V2: 4
th
intercostal space at the left sternal border.
V3: In the middle position between V2 and V4.
V4: 5
th
intercostal space at the left midclavicular line.
V5: In the left anterior axillary line, just parallel to V4.
V6: In the left midaxillary line, just parallel to V4.
V3R-V6R: On the right side of the chest wall, corresponding to the left-
side position.
VE: At the xiphoid eminence position.
V7: 5
th
intercostal space in the left posterior axillary line at the back.
V7R: 5
th
intercostal space in the right posterior axillary line at the back.
8.3.3.3 Place 6-lead Electrodes
Place 6-lead electrodes in the positions of 5-lead electrodes. However, the two chest leads (Va and Vb) can be placed
in any two positions of V1-V6. You can define the positions of Va and Vb; please refer to "
Section8.4.8.3 Set Va and
Vb Markers
" for more information.
8.3.3.4 Place 12-lead Electrodes
White/red (right arm) electrode — Place it below the clavicle, near the right arm.
Black/yellow (left arm) electrode — Place it below the clavicle, near the left arm.
Green/black (right leg) electrode — Place it at the right lower abdomen.
Red/green (left leg) electrode — Place it at the left lower abdomen.
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