Chloe Burke, a 25-year-old contestant in the Miss Texas Beauty Pageant, went into cardiac arrest at 21. She is now using her platform to educate others about ways to prevent the incident.Chloe Burke, a 25-year-old contestant in the Miss Texas Beauty Pageant, went into cardiac arrest at 21. She is now using her platform to educate others about ways to prevent the incident.Read MoreHealth News | Mail Online