Video 1

Video looking into the left atrial appendage (LAA); ‘smoke’ can be seen coming out of the LAA indicating its patency and communication with the left atrium. View Video 1 at

The clot thickens: an incompletely ligated left atrial appendage

Merrill Thomas, Anna Grodzinsky, and Martin Zink

2018. 5:K41-K45 DOI: 10.1530/ERP-17-0076