New-onset atrial fibrillation predicts malignant arrhythmias in post-myocardial infarction patients-A Cardiac Arrhythmias and RIsk Stratification after acute Myocardial infarction (CARISMA) substudy

In patients surviving a MI with reduced left ventricular systolic function, new-onset AF is associated with a significantly increased risk of developing ventricular brady- and tachyarrhythmias.