Aetiology of arrhythmia in 141 patients undergoing DC cardioversion
| n (%) | |
| Idiopathic | 53 (38) |
| Ischaemic heart disease | 28 (20) |
| Hypertension) | 24 (17) |
| Valvar | 12 (9) |
| Pneumonia | 8 (6) |
| Cardiomyopathy | 7 (5) |
| Cardiac surgery | 4 (3) |
| Alcohol | 2 (1) |
| Atrial septal defect | 1 (1) |
| Dressler's syndrome | 1 (1) |
| Pericarditis | 1 (1) |