A 14-year-old girl has told Sky News she feels "blessed to have a second chance at life" after having a heart transplant using a donor organ that had started beating again thanks to a new machine.

Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness watches and smart rings. When you purchase through links on our site, we may earn ...

A revolutionary heart machine can revive cardiac patients SEVEN hours after they have apparently died, it emerged today. It saves victims by taking blood out the body, getting rid of waste carbon ...

Nearly 100 life-saving heart-start machines are to be installed at public places around the North-East and North Yorkshire. The sophisticated heart difibrillators are being allocated to ambulance ...