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

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, ...

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 ...

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

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.

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 ...

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.

Dear Doctor: My mom is 93, and her doctor says she needs a pacemaker to control a heart arrhythmia. How does a pacemaker work? Is the operation dangerous for someone her age? Dear Reader: A pacemaker ...

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 ...