AAD, antiarrhythmic drug; AF, atrial fibrillation; AFMR, atrial functional MR; ATA, atrial tachyarrhythmia; AUC, area under the curve; Atrial fibrillation; CRT, cardiac resynchronization therapy; Catheter ablation; DT, deceleration time; Diastolic dysfunction; E, early diastolic left ventricular filling velocity; HF, heart failure; HFH, HF hospitalization; HFrEF, HF with reduced ejection fraction; Heart failure; IQR, interquartile ranges; LA, left atrial; LAVI, LA volume index; LV, left ventricular; LVAD, LV assist device; LVDD, left ventricular diastolic dysfunction; LVEF, LV ejection fraction; LVSD, left ventricular systolic dysfunction; MR, mitral regurgitation; NYHA, New York Heart Association; PAF, paroxysmal AF; PMI, pacemaker implantation; ROC, receiver operating characteristic; SD, standard deviations; SHD, structural heart disease; TRV, tricuspid valve regurgitation velocity; VFMR, ventricular functional MR; e', early septal diastolic mitral annular velocity; rEF, reduced ejection fraction