The next time your heart palpitates and you feel faint when you cast your eyes on a $1,200 keyboard, make sure you have the Watchman device installed inside your body beforehand. This medical gadget was designed to mechanically prevent the formation of emboli, which could result in a stroke if left unchecked. This means you can also ditch all those anti-coagulation medicines that require constant adjustment just to get the right dose. The Watchman itself is made from a form of self-expanding metal, nitinol, and is available in different sizes to fit patients of all sizes.
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