ECG characteristics during sinus rhythm and during ventricular ectopy
| Characteristic | IRVA (n=41) | ARVD (n=15) | p Value |
|---|---|---|---|
| ARVD, arrhythmogenic right ventricular dysplasia; IRVA, idiopathic right ventricular arrhythmia; LBBB, left bundle branch block; RBBB, right bundle branch block; VT, ventricular tachycardia. | |||
| During sinus rhythm | |||
| Epsilon wave | 0 | 2 (14%) | NS |
| RBBB | 1 (2.5%) | 5 (33%) | 0.0006 |
| Negative precordial T wave (other than lead I) | 9 (23%) | 13 (87%) | <0.0001 |
| During VT (all LBBB) | |||
| Inferior axis | 37 (90%) | 7 (48%) | 0.0016 |
| Intermediate axis | 2 (5%) | 4 (27%) | 0.0016 |
| Left/superior axis | 2 (5%) | 3 (20%) | |