PORTLAND, Ore. – A local hospital became the first in the Pacific Northwest to implant a new wireless heart monitor into heart failure patients. Providence Heart and Vascular Institute, based at ...

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you are an athlete in training or simply keeping tabs on your vitals, measuring your heart rate is a ...