Heart failure symptoms have been reversed in patients with a new pacemaker that changes how the heart is fuelled.

A recent study found that wireless pacemakers could be an effective and safe short-term treatment for children with slow heartbeats, U.S. News & World Report reported April 11. The study, published in ...

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 ...

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 ...

When Sarah and Michael Oliveri went to their 20-week ultrasound for their third pregnancy, they thought to knew what to expect. Their previous visit had been stressful — doctors had detected an ...

Actor Arnold Schwarzenegger revealed he had a pacemaker installed to treat an irregular heartbeat. He was born with a bicuspid aortic heart valve, which can make the heart work much harder than it ...

The tiny pacemaker sits next to a single grain of rice on a fingertip. The device is so small that it can be non-invasively injected into the body via a syringe. Northwestern University engineers have ...

Dear Doctor K: I’m scheduled to have a pacemaker inserted in a couple of weeks. Can you tell me what will happen during the procedure? Dear Reader: A pacemaker is a little box that is placed beneath ...