Irvine med tech team meet those whose lives they saved

Chad Darby’s life turned upside down after he felt a twinge in his chest during a CPR class.
The 51-year-old thought he was in good health, he was there to learn life-saving techniques should anything happen at home with his newborn twins.
Instead, he soon needed what was likely a life-or-death surgery. And, this week he met the Irvine-based team of medical device manufacturers at the heart of his recovery.
A group of employees at Edwards Lifesciences talks with heart valve recipient Chad