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Arrhythmia Substrates on EPS Cases and TBA
| Substrate | Total of Cases (n=118) | TBA (n=74) | No TBA (n=44) |
|---|---|---|---|
| IART | 78 (66%) | 54 (73%) | 24 (55%) |
| Undefined | 46 (39%) | 23 (31%) | 23 (52%) |
| Focal | 22 (18%) | 9 (12%) | 13 (30%) |
| AVNRT | 11 (9%) | 6 (8%) | 5 (11%) |
| AVRT | 7 (6%) | 5 (7%) | 2 (5%) |
| Twin nodes | 6 (5%) | 4 (5%) | 2 (5%) |
AVNRT indicates atrioventricular nodal reentry tachycardia; AVRT, atrioventricular reentry tachycardia; IART, intra‐atrial reentry tachycardia; TBA, transbaffle access.
