%0 Journal Article %T Original research article: Hidden burden of arrhythmias in patients with small atrial septal defects: a nationwide study %A Andrew Redington %A Camilla Nyboe %A Jens Cosedis Nielsen %A Jens Erik Nielsen-Kudsk %A Sebastian Udholm %A Vibeke Elisabeth Hjortdal %A DMSc %A PhD %J Archive of "Open Heart". %D 2019 %R 10.1136/openhrt-2019-001056 %X In recent Danish nationwide register-based study, adults with small, unrepaired atrial septal defects (ASD) have increased risk of pneumonia, atrial fibrillation (AF) and stroke. Moreover, they revealed higher mortality than the background population %K heart septal defect %K arrhythmias %K focal atrial tachycardia %K non-sustained ventricular tachycardia %K atrial septal defects %K congenital %K epidemiology %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6609115/