Add Yahoo as a preferred source to see more of our stories on Google. Electrocardiograms, or ECGs, record the electrical activity of your heart. Randy Faris/The Image Bank via Getty Images Your ...

Your heart runs on electricity! Discover how tiny sparks keep it beating — and how Buffalo inventor Wilson Greatbatch’s “happy accident” led to the pacemaker, a life-saving device that changed ...

Imagine a heart patient with a pacemaker—one of the millions who rely on these tiny, implanted devices to keep their hearts beating steadily. While pacemakers save lives every day, their ability to ...

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, ...

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 ...

Reconditioned pacemakers are as safe as new ones, and work just as well, preliminary results from the My Heart Your Heart trial show, which could help more people receive lifesaving devices. More than ...

Chicago — A new, tiny pacemaker — smaller than a grain of rice — developed at Northwestern University could play a sizable role in the future of medicine, according to the engineers who developed it.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Virginia Singla, University of Pittsburgh (THE CONVERSATION) Your heart's job is to ...