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ecg positioning
| Term | Definition |
|---|---|
| V1 | 4th intercostal space at the right sternal border |
| V2 | 4th intercostal space on the left sternal border |
| V4 | 5th intercostal space on the left midclavicular line |
| V3 | midway between V2 and V4 |
| V5 | 5th intercostal space, left anterior axillary line |
| V6 | directly in line with V5 on the midaxillary line |