Adverse prognosis of new-onset atrial fibrillation in patients with chronic coronary syndromes in the CLARIFY registry and possible approaches to improve their outcome. Abbreviations: AA, antiarrhythmic drugs; AC HR, all-cause mortality hazard ratio; CA, catheter ablation; CCS, chronic coronary syndrome; CV HR, cardiovascular mortality hazard ratio; GDMT, guideline-directed medical therapy; HR, hazard ratio for adverse events, from left to right (dark box): stroke, myocardial infarction, hospitalization for heart failure, bleeding; NOAF, new-onset atrial fibrillation, SR, sinus rhythm.