Engineers at Illinois' Northwestern University have developed the tiniest pacemaker you'll ever see. It's several times ...

Although it can work with hearts of all sizes, the pacemaker is particularly well-suited to the tiny, fragile hearts of ...

Smaller than a grain of rice, new pacemaker is particularly suited to the small, fragile hearts of newborn babies with congenital heart defects. Tiny pacemaker is paired with a small, soft, flexible ...