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The world’s tiniest pacemaker — smaller than a grain of rice — could help save babies born with heart defects, say scientists. The miniature device can be inserted with a syringe and dissolves after ...

The world’s tiniest known pacemaker, a device smaller than a grain of rice, can be implanted using minimally invasive techniques and dissolves when no longer needed. Researchers described their ...

Though a Northwestern-developed quarter-size dissolvable pacemaker worked well in pre-clinical animal studies, cardiac surgeons asked if it was possible to make the device smaller. To reduce the size ...