ECG features of study population
| ECG findings | Frequency, % |
|---|---|
| Arrhythmias | 4 |
| Bradycardia | 3 |
| First-degree heart block | 3 |
| Left atrial enlargement | 1 |
| Low voltage complex | 1.5 |
| LVH | 29 |
| LVH+bradycardia | 4.5 |
| LVH+PVC | 0.5 |
| Normal | 42.5 |
| Tachycardia | 5 |
| Right atrial enlargement | 1.5 |
| RBBB | 0.5 |
| RVH | 0.5 |
| RV strain | 3 |
LVH, left ventricular hypertrophy; PVC, premature ventricular complex; RBBB, right bundle branch block; RV, right ventricle; RVH, right ventricular hypertrophy.