Electronic pacemakers time the heartbeats of more than three million people in the U.S. For these patients, surgery is a regular occurrence. A pacemaker's batteries must be swapped out every five to ...

Materials supplier Syensqo announced today that its Eviva-branded polysulfone (PSU) has been selected by medical device OEM Biotronik for use in the header of its latest Amvia Sky pacemaker models.

In the normal heart, the heart's lower chambers (ventricles) pump in sync with the heart's upper chambers (atria). When a person has heart failure, often the right and left ventricles do not pump ...

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’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 ...