Table 3.
Arrhythmias and further electrocardiographic changes
| Prehospital ECG available | 205 (42.7%) |
| ECG on admission available | 475 (99.0%) |
| Control ECG before discharge available | 76 (15.8%) |
| Arrhythmias | |
| Sinus bradycardia (< 60 bpm) | 50 (10.4%) |
| Sinus tachycardia (> 100 bpm) | 21 (4.4%) |
| Sinus arrest with atrial escape rhythm | 2 (0.4%) |
| Newly diagnosed atrial fibrillation | 1 (0.2%) |
| Frequent multifocal atrial premature complexes | 1 (0.2%) |
| Regular SVT during monitoring | 1 (0.2%) |
| Atrial fibrillation during monitoring | 1 (0.2%) |
| Ventricular fibrillation before admission | 1 (0.2%) |
| Non-sustained ventricular tachycardia | 1 (0.2%) |
| Ventricular bigeminy | 1 (0.2%) |
| Further electrocardiographic observations | |
| Non-specific ST-T changes | 41 (8.5%) |
| Incomplete RBBB | 19 (4.0%) |
| PQ depression | 9 (1.9%) |
| Non-specific IVCD | 6 (1.3%) |
| Single PVC | 5 (1.0%) |
| RBBB (QRS duration ≥ 0.12 s) | 4 (0.8%) |
| Left anterior hemiblock | 3 (0.6%) |
| Single PAC | 2 (0.4%) |
| First-degree AV block | 1 (0.2%) |
| Trifascicular block | 1 (0.2%) |
| Ventricular preexcitation syndrome | 1 (0.2%) |
SVT Supraventricular tachycardia, RBBB right bundle branch block, AV atrioventricular, IVCD intraventricular conduction delay, PVC premature ventricular complex, PAC premature atrial complex