Percutaneous closure of the left atrial appendage after failed surgical closure using a septal occluder device guided by real-time 4-dimensional intracardiac echocardiography
1 Division of Cardiology, Department of Medicine, Northwestern University, Chicago, IL, USA. herman.carneiro@nm.org.
2 Bluhm Cardiovascular Institute, Feinberg School of Medicine, Northwestern University, 676 N St Clair Street, Suite 730, Chicago, IL, 60611, USA. herman.carneiro@nm.org.
3 Department of Anesthesiology, Northwestern University, Chicago, IL, USA.
4 Division of Cardiology, Department of Medicine, Northwestern University, Chicago, IL, USA.