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 ...

Recent developments of interest in cardiovascular medicine ...

Add Yahoo as a preferred source to see more of our stories on Google. If you have a heart rhythm disorder, you may have considered getting a pacemaker -- but you're wary of having a small electronic ...

Pacemakers are medical devices implanted in the body to regulate heart rhythms. They're composed of electronic circuits with batteries and leads anchored to the heart muscle to stimulate it. However, ...

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, ...

Your heart has an internal pacemaker called the sinus node. It's a group of cells, located on top of your heart, that sends electrical signals into the heart and controls your heartbeat. Sometimes, ...

A pacemaker modified for newborns' tiny bodies safely and effectively stabilized their heart rhythms for up to two years, according to new research published in Circulation: Arrhythmia and ...

MIT engineers have developed a noninvasive pacemaker that stimulates the heart using ultrasound. The design could one day ...

Mechanical and electrical energy are linked and can be exchanged back and forth. Just like ultrasound converts electrical voltage into pressure or sound, we can engineer similar materials onto ...

A revolutionary pacemaker that re-establishes the heart's naturally irregular beat is set to be trialled in New Zealand heart patients this year. A revolutionary pacemaker that re-establishes the ...

An inventor, Wilson Greatbatch, accidentally created a regular beat while working on a heart sound recorder. He realized this ...