If you ever feel your heart is not beating right, or if you have chest pain, the first person you should see is a <a href= ...

Implantable defibrillators can save lives, but also harbor risks. A major study has found that a special ECG method can help to identify the patients most likely to benefit from these devices.

Researchers have developed a non-invasive, reusable 'ECG vest' that takes high-resolution images of the heart's electrical activity in five minutes. Combining its data with cardiac MRI scans can ...