Greensboro, NC -- An automated external defibrillator is a portable electronic device that can shock a person's heart back into a rythym.
Jan Eger's son collapsed during a high school basketball game in 2006.
The principal grabbed a defibrillator, shocked him and saved his life.
Now, she's made it her mission to make sure no one has to go what she went through.
Find out more from the Red Cross.
WFMY News 2