Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed ...

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, ...

Pacemakers and defibrillators are devices that sit under the skin, in the chest area near a patient's heart. They help with controlling abnormal heart rhythms. A pacemaker can treat an abnormally slow ...

Q: 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?

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 ...

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.