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How the WATCHMAN Device Works — Transcript

by The Brain Maze · 159 words · 32 segments · language en · Watch on YouTube
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  1. 0:00This tiny device is placed inside the
  2. 0:02heart to help prevent blood clots from
  3. 0:04entering the bloodstream.
  4. 0:06It's called the Watchman.
  5. 0:10During atrial fibrillation, the heart's
  6. 0:12upper chambers do not squeeze
  7. 0:14effectively, allowing blood to pool in
  8. 0:16the left atrial appendage and form
  9. 0:18clots.
  10. 0:21First, a catheter is inserted through a
  11. 0:23vein in the groin and carefully guided
  12. 0:26toward the heart.
  13. 0:27It enters the right atrium, then passes
  14. 0:30through the wall separating the two
  15. 0:32upper chambers to reach [music] the left
  16. 0:34atrium.
  17. 0:36Using imaging for guidance, the catheter
  18. 0:39is positioned at the opening of the left
  19. 0:41atrial appendage.
  20. 0:43A small pouch where blood can pool and
  21. 0:45form clots [music] during atrial
  22. 0:46fibrillation.
  23. 0:49The Watchman device is then advanced
  24. 0:50through the catheter and expanded inside
  25. 0:53the appendage.
  26. 0:55Once its position and stability are
  27. 0:57confirmed, the implant is released and
  28. 1:00the catheter is removed.
  29. 1:02Over time, tissue grows across the
  30. 1:05device, permanently sealing the
  31. 1:07appendage and reducing the risk of
  32. 1:09stroke.

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