Impact of Atrial Fibrillation in Patients With ST-Elevation Myocardial Infarction Treated With Percutaneous Coronary Intervention (From the HORIZONS-AMI [Harmonizing Outcomes With Revascularization and Stents in Acute Myocardial Infarction] Trial)

Study Questions:

What is the incidence and impact of new-onset atrial fibrillation (AF) after primary percutaneous coronary intervention (PCI) in patients with ST-segment elevation myocardial infarction (STEMI)?