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Patient demographics.
| Patient characteristic | |
|---|---|
| Male | 16 (94%) |
| Age (years) | 73 ± 6 |
| LVEF (%) | 25 ± 5 |
| AF duration (months) | 43 ± 40 |
| Mean heart rate (bpm) | 79 ± 23 |
| QRS duration (ms) | 160 ± 27 |
| Left bundle branch block (n) | 13 (76%) |
| NYHA class II/III/IV | 0/16/1 |
| AV-node ablation | 5 (29%) |
| Ischemic cardiomyopathy | 7 (41%) |
| Primary preventive indication | 17 (100%) |
| Hypertension | 16 (94%) |
| Oral anticoagulation | 15 (88%) |
| Amiodarone | 4 (24%) |
| Beta-Blocker | 14 (82%) |
