Left Atrial Appendage Closure

Left atrial appendage closure is a procedure to close a small “pouch” in the left atrium of the heart. This appendage in the heart is a common place where blood clots can form, especially for those who have atrial fibrillation (AF). Closing off the left atrial appendage​ with a device is a new type of medical procedure to prevent the formation of blood clots.

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The illustration above shows where the left atrial appendage is in your heart and where the closure device is implanted.*

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The Watchman device in the image above is implanted in the left atrial appendage in your heart to prevent clots from forming and this helps to prevent strokes.*

*Images are provided by Boston Scientific