Researchers at Northwestern University just found a way to make a temporary pacemaker that’s controlled by light—and it’s smaller than a grain of rice. A study on the new device, published last week ...

The heart may be small, but its rhythm powers life. When something throws that rhythm off—especially after surgery—it can become a race against time to restore balance. For decades, doctors have ...

Add Yahoo as a preferred source to see more of our stories on Google. Roughly one percent of infants are born with heart defects every year. The majority of these cases only require a temporary ...

Ten years ago, astronaut Neil Armstrong, the first man to walk on the moon, died not long after undergoing a routine heart surgery to remove a temporary pacemaker. Heavy bleeding occurred when the ...

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 ...