Index date	First admission with stroke, patient discharged with dabigatran.
17 days	Second admission, transient ischaemic attack. Patient changed to warfarin treatment and referred for left atrial appendage (LAA) occlusion.
5 months	Cardiac CT and 3D-transoesophageal echocardiography (TOE) show signs of chronic thrombotic occlusion of the LAA.
11 months	Repeated CT and TOE show stationary results.
1 year and 6 months	Third CT and TOE again show stationary results. Warfarin was discontinued and life-long aspirin was initiated.