July 14--A device a fraction of an inch long is providing George Saenz with a peace of mind he has never had before. Three weeks ago, the 67-year-old independent insurance agent had the Medtronic ...

As an avid runner, I’m no stranger to heart rate monitors and extra sensors. I’m all about getting every last little piece of data to figure out if I actually nailed my workout or if I pushed just a ...

Doctors use heart tests to diagnose or monitor different heart conditions. They include blood tests, electrocardiograms, echocardiograms, and coronary angiograms. Doctors use these tests to diagnose ...