At the American Heart Association meetings two studies of patients with heart failure provided a striking negative verdict on remote monitoring.

FORBES: Why Remote Patient Monitoring Is Overhyped

When fellow passengers reported chest pains on two recent flights, cardiologist Eric Topol was able to check their heart rhythms with an electrocardiogram app on his iPhone called AliveCor.

WSJ: The Flight Status of Passenger Ailments

Two researchers, each fitted with GPS navigation devices and heart-rate monitors, followed different gatherers on different days.

ECONOMIST: Men and women navigate differently

About two-thirds of the NHS budget is spent on people with long-term conditions, such as heart disease, diabetes and dementia.

BBC: The changing health service

This is a new feature, available on some defibrillator-like devices that are now on the market, which is aimed at people with a form of heart condition that causes their two ventricles to beat slightly out of phase with each other.

ECONOMIST: Case history