35-year-old hockey player ignored warning signs before cardiac arrest.

Brandon Miller, a 35-year-old hockey player, collapsed during a game due to cardiac arrest. Luckily, three of the other players were medical professionals, who immediately began performing CPR and using an automated external defibrillator (AED) to shock his heart back into rhythm, which saved his life. Miller had experienced some occasional pain in his left shoulder, which he thought was a muscle strain, and intense chest pain, which he thought was acid reflux. He hopes that other young people who hear his story will be more proactive with their health and not underplay any symptoms.