CNN CNN Newsroom June 1, 2014 22:34:00
Karen and ring wock wondered wh could have caused their vibrant daughter to collapse. 2,000 miles away they had no idea what paramedics were up against. >> she had a heart attack, and then two more on the way over to the hospital in the ambulance. and then another one in the hospital. and she never woke up. >> reporter: erika was dead. she'd been a healthy 24-year-old. so immediately the question, why. the answer would come as a shock. something they were never told about. something tens of millions of women in america might not know about. when you were speaking to the emergency room doctor, ...