Morphological features of the electrocardiograms before (baseline) and after alcohol septal ablation
| After ablation | |||||||
|---|---|---|---|---|---|---|---|
| Baseline | 1 h | 3 d | 7 d | 9 d | 3 m | 6 m | |
| Number | 9 | 9 | 9 | 9 | 9 | 7 | 7 |
| Sinus rhythm (n/total) | 9/9 | 8/92-150 | 8/92-150 | 8/92-150 | 7/9† | 6/7‡ | 6/7‡ |
| New ST elevation (n/total) | 5/9 | 5/9 | 5/9 | 1/9 | 1/7 | 0/7 | |
| New Q waves (n/total) | 4/9 | 4/9 | 4/9 | 4/9 | 2/7 | 2/7 | |
| RBBB (n/total) | 1/9 | 2/9 | 2/9 | 1/9 | 2/9 | 1/7 | 1/7 |
| RBBB + LAH (n/total) | 0/9 | 6/9 | 4/9 | 5/9 | 4/9 | 3/7 | 3/7 |
| RBBB + LPH (n/total) | 0/9 | 1/9 | 0/9 | 0/9 | 0/9 | 0/7 | 0/7 |
| Inc RBBB + LAH (n/total) | 1/9 | 0/9 | 0/9 | 0/9 | 0/9 | 0/7 | 0/7 |
| LBBB (n/total) | 1/9 | 0/9 | 1/9§ | 1/9§ | 1/9§ | 1/7§ | 1/7§ |
↵2-150 One patient with complete heart block; †one patient paced and one patient with junctional rhythm, 75/min; ‡one patient paced; §a different patient from at baseline.
h, hours; d, days; m, months; inc RBBB, incomplete right bundle branch block; LAH, left anterior hemiblock; LBBB, left bundle branch block; LPH, left posterior hemiblock; RBBB, complete right bundle branch block.