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 ...

A pacemaker could help reverse symptoms of heart failure by encouraging the heart to use more efficient fuel, according to ...

Accurately measuring electrical signals and calcium levels in the heart can lead to earlier treatment of potentially fatal conditions, such as heart attack or congestive heart failure. Calcium plays ...

Q: Even though my doctor told me I am pretty healthy, she ordered an electrocardiogram (ECG) to be done right in her office. Besides a heart attack, what else can ECGs show? A: Cardiac (heart) cells ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. The heart is an incredible machine, pumping blood to fuel ...

Non-invasive cardiac mapping reconstructed 3D cardiac activation and improved arrhythmia localisation. Read more about its clinical potential.

The electrical signals inside heart muscle cells provide insights into how the heart functions, how its cells communicate and how they respond to drugs. But capturing these signals typically involves ...