Im hoping someone can help, my 15 yo son was playing basketball the other day, when he got home a couple hours later he said he felt as if his heart was beating out of his chest when he was playing. I checked his pulse at rest for the next couple of hours , it was between 95-110, I called the doc he sent me to the er, they did a ekg, chest x-ray and blood work including some special heart test bloodwork. Everything was fine, I told them that he had been on hydrocodone cough syrup for about a week for bronchitus and had just finished a 6 day steroids he finished two days before for his ashma, the er doc said that he could not do any physical activity until he goes to get a echo done, ok he's driving me nuts, he wants to play, does anyone know if possibly something else could be wrong that wasn't picked up by the tests already performed? Thanks