You must have heard of pacemakers? They are required when the heart's natural system malfunctions, causing it to beat too slowly (bradycardia), irregularly, or even pause. All these can hinder ...

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 ...

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 ...