Left Atrial Appendage Closure Device

Case 16

This radiograph shows a malpositioned enteric tube which is looped in the oropharynx/hypopharynx and projects over the lower neck. There are a number of incidental findings including an appropriately positioned endotracheal tube, a loop recorder projecting over the left hemithorax, sternotomy wires with a prosthetic aortic valve, and a Watchman™ left atrial appendage occlusion device which is difficult to see on the default window and level. Linear subsegmental atelectasis is seen in the left lung base.

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Case 13

This radiograph demonstrates an endovascular left atrial appendage closure device, in this case a Watchman™ device, projecting over the left heart. This prevents clot formation in the appendage, a particularly susceptible location in patients with atrial fibrillation due to stasis. Clots from the heart could embolize to the brain and cause a stroke. The exam is otherwise unremarkable.

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