Table 2.
(A) ECG localization of ectopy origin between the RV and the LV using algorithms A–C and (B) sublocalization in the RVOT (septum vs free-wall) using algorithms A and C, compared with successful ablation site, as tested by 3 independent assessors
| Accuracy of ECG Algorithms in localising within the LVOT vs RVOT |
|||
|---|---|---|---|
| Algorithm A | Algorithm B | Algorithm C | |
| Assessor 1 | 79% | 67% | 50% |
| Assessor 2 | 88% | 67% | 63% |
| Assessor 3 | 83% | 71% | 58% |
| Accuracy of ECG Algorithms in sub-localising within the RVOT: septum vs free-wall |
||
|---|---|---|
| Algorithm A | Algorithm C | |
| Assessor 1 | 42% | 37% |
| Assessor 2 | 58% | 53% |
| Assessor 3 | 37% | 42% |
ECG = electrocardiographic; LV = left ventricle; RV = right ventricle; RVOT = right ventricular outflow tract.