World's smallest pacemaker gives new hope to babies with heart defects 

For the tiniest infants born with heart defects, a pacemaker the size of a pill now provides hope to families who are dealing with the problem. NBC News' Yamiche Alcindor reports.

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https://www.nbcnews.com/nightly-news/video/world-s-smallest-pacemaker-gives-new-hope-to-babies-with-heart-defects-211162181915

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