Complications of cardioversion in group 1 patients
| Apnoea or respiratory problems | 0 |
| Skin erythema grade | |
| 0 | 196 (53%) |
| 1 (mild) | 172 (47%) |
| 2 and 3 (moderate to severe) | 0 |
| Shocks remembered | 38 (10.3%) |
| Shocks unpleasant | 13 (3.5%) |
| Bradycardia requiring atropine | 14 (3.8%) |
| Bradycardia requiring pacemaker | 2 (0.5%) |