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Deployment of a LARIAT left atrial appendage (LAA) suture. (A) Initial LAA angiogram. (B) Endocardial and epicardial magnet-tipped wires snapped together. Balloon over endocardial wire aids in echocardiographic guidance. Snare has been advanced over the wires and is closed over the LAA. (C) Contrast injection in the left atrium shows complete occlusion. (D) After suture delivery, the snare is opened and retracted. Contrast injection shows a closed stump.
