The founder of a company called Code Blue CPR climbed Mount Everest in April to install a defibrillator at Everest Base Camp. He says it's the world's highest defibrillator at just over 16,500 feet.
Then three weeks after he got home, he found it had already been put to use. A 30-year-old French woman had a heart attack, and it saved her life. He said hearing about it was the "proudest moment" he's ever had.
Read More HERE