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

Tom Derrington, 65, was increasingly having trouble walking up the four flights of stairs on the CapMetro construction site where he works. He was out of breath. His feet were so swollen they hurt on ...

CHICAGO — One person’s used pacemaker is another person’s treasure. A program to refurbish used pacemakers could expand access to the lifesaving devices. In a clinical trial of nearly 300 people, ...

If you recently got a pacemaker due to an arrhythmia (an irregular heartbeat), heart failure, or bradycardia (a heart that beats too slowly), you might have concerns about getting back into exercise.

A pacemaker could help reverse symptoms of heart failure by encouraging the heart to use more efficient fuel, according to ...

In a breakthrough development, scientists from Northwestern University, have unveiled the world's smallest pacemaker, tinier than one could ever imagine- even smaller than the size of a rice grain.

LOUISVILLE, Ky. — A Louisville baby made headlines two years ago when she received the tiniest pacemaker ever implanted into a human at that time. Heavenleigh was born early, at just 28 weeks and five ...

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 ...