Disappearing left atrial appendage clot-the need for a more meticulous search

Left atrial clots are occasionally seen in patients with long-standing atrial fibrillation who come for valve surgery. Once identified on echocardiogram, intraoperative identification and retrieval of the clot are essential in order to prevent the possibly devastating complication of embolism and stroke. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s12055-021-01154-9.