heart devices

News Hour: St. Jude Medical Inc warned on Tuesday that some of its implanted heart devices are at risk of premature battery depletion, a condition it said has been linked to two patient deaths and could...

News Hour: When the heart stops suddenly, it can sometimes be restarted with an electric shock from an automated external defibrillator (AED) – but even when an AED is nearby, it’s often locked up out of...