Keywords: AAD, antiarrhythmic drug; AF, atrial fibrillation; AFL, atrial flutter; Ablation; Anticoagulation; Arrhythmia; Atrial fibrillation; Atrial flutter; Atrial tachycardia; CB, cryoballoon; CFAE, complex fractionated atrial electrogram; Catheter ablation; LA, left atrial; LAA, left atrial appendage; LGE, late gadolinium-enhanced; LOE, level of evidence; MRI, magnetic resonance imaging; OAC, oral anticoagulation; RF, radiofrequency; Stroke; Surgical ablation.