After deflation of the cryoballoon the Lariat is closed resulting in complete occlusion of the left atrial appendage as demonstrated by contrast medium injection via the transseptal sheath. The Lariat snare and the endo- and epicardial magnets are pulled back. CB, cryoballoon; CS, coronary sinus; EP, echoprobe; MN, magnets; TS, transseptal sheath.