PROGNOSTIC IMPACTS OF ATRIAL FIBRILLATION STATUS IN PATIENTS WITH ACUTE MYOCARDIAL INFARCTION: A STUDY OF JAPANESE REGISTRY OF ACUTE MYOCARDIAL INFARCTION DIAGNOSED BY UNIVERSAL DEFINITION

Atrial fibrillation (AF) is a commonly observed arrhythmia and is associated with increased cardiovascular morbidity and mortality. Preexisting AF has been established as an independent predictor of long-term mortality after acute myocardial infarction (AMI). However, it is unclear whether new-onset