| Type | Incidence | Percent (%) | Mortality |
| Sinus bradycardia | 40 | 9 | 1 (2.5%) |
| Sick sinus syndrome | 10 | 2.2 | - |
| Junctional rhythm | 10 | 2.2 | 1 (10%) |
| Second degree block with bradycardia | 10 | 2.2 | 4 (40%) |
| Complete heart block | 24 | 5.3 | 14 (54%) |