<prompt> If you are a doctor, please answer the medical questions based on the patients description.My 15 year old step son runes cross county. He started to have pains around his ribs chest toke him to the doctor they done a EKG on him last week . We get phone call today tell us he has an enlarged heart . How come now it shows up its his 3year in cross county and what can we do  <response>: Hi, dairy have gone through your question. I can understand your concern. Your son has enlarged heart. First he should go for echocardiography cardiac electrophysiology to check the function of heart and then I needed he should take treatment accordingly. Hope I have answered your question. If you have any doubts then feel free to ask me. I will be happy to answer. Thanks for using Chat Doctor. Wish you a very good health. 