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Activation Times (with Reference to Surface Delta Wave) Determined by Noninvasive ECGI and Invasive Endocardial Catheter Mapping
| Location | ECGI Activation Time (ms) | Endocardial Activation Time (ms) |
|---|---|---|
| TVA | ||
| 12:00 | +18 | −17 |
| 2:00 | +19 | −16 |
| 4:00 | +22 | −14 |
| 9:00 | +60 | +20 |
| 11:00 | +61.5 | +22 |
| MVA | ||
| 2:00 | +43 | +7 |
| 3:00 | +42 | +6 |
| 4:00 | +84 | +44 |
| 7:00 | +48 | +12 |
| 9:00 | +21 | −15 |
| 10:00 | +36 | 0 |
| RV apex | +43.5 | +7 |
| LV apex | +89 | +47 |
