Table 1.
Accuracy of ECM with successful ablation site
| Patient | Successful ablation site | ECM location | ECG pace-map match | Endocardial earliest local activation timing (pre-QRS) |
|---|---|---|---|---|
| 1 | RVOT | RVOT | 12 | 36 |
| 2 | RVOT | RVOT | 12 | 14 |
| 3 | AMC | AMC | 12 | 38 |
| 4 | RVOT | RVOT | 12 | 28 |
| 5 | RVOT | RVOT | 12 | NA |
| 6 | AMC | AMC | 12 | 10 |
| 7 | RVOT | RVOT | 12 | 40 |
| 8 | RVOT | RVOT | 12 | 28 |
| 9 | RVOT | RVOT | 12 | 36 |
| 10 | LCC | LCC | 12 | 28 |
| 11 | LCC | LCC | 11 | 34 |
| 12 | RVOT | RVOT | 12 | 22 |
| 13 | RVOT | RVOT | 10 | 22 |
| 14 | RVOT | RVOT | 12 | 36 |
| 15 | RVOT | RVOT | 12 | 40 |
| 16 | LVOT | LCC | 12 | 30 |
| 17 | RVOT | RVOT | 12 | 35 |
| 18 | RVOT | RVOT | 12 | 28 |
| 19 | RVOT/NCC | RVOT near His | 12 | 45 |
| 20 | RVOT | RVOT | 12 | 40 |
| 21 | RVOT | RVOT | 12 | 20 |
| 22 | RVOT | RVOT | 12 | 28 |
| 23 | RVOT | RVOT | 12 | 26 |
| 24 | RVOT | RVOT | 12 | 30 |
| Correct diagnosis | 23/24 | |||
| Diagnostic accuracy | 96% |
AMC = aortomitral continuity; ECM = electrocardiographic mapping; LCC = left coronary cusp; LVOT = left ventricular outflow tract; NCC = noncoronary cusp; RCC = right coronary cusp; RVOT = right ventricular outflow tract.