The study is a retrospective register study of all patients discharged from Roskilde Hospital with a primary diagnosis of AF in 2010. All data will be collected from the patient's medical records and only data from this specific admission will be recorded. No follow-up of the patients after discharge will be performed in this study. The study does not involve any randomization or any drug testing.
Retrospective observational study of patients with atrial fibrillation admitted to Roskilde University Hospital in 2010.