ACE and atrial fibrillation: There were no significant differences between patients with and without AF regarding treatment with beta-blockers (94.8% vs 94.2%, p = 0.61), calcium channel blockers (9.7% vs 7.7%, p = 0.52), angiotensin-converting enzyme inhibitors (43.5% vs 28.7%, p = 0.075), or antiarrhythmic medication (amiodarone, 15.3% vs 10.3%, p = 0.44).