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 ...

Ten years ago, astronaut Neil Armstrong, the first man to walk on the moon, died not long after undergoing a routine heart surgery to remove a temporary pacemaker. Heavy bleeding occurred when the ...

For a handful of patients who've received the first wire-free pacemaker, the results are still good after 18 months, researchers reported Wednesday. Unlike traditional pacemakers, the new device -- ...

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 new injectable, temporary pacemaker could help correct a heart arrhythmia in an emergency. This nanoparticle gel can regulate the heart’s electrical signals for up to five days before dissolving ...

A gran has been left living in constant fear after technology meant to keep her heart beating twice malfunctioned. Elizabeth ...