Could be that the problem has only just revealed its self .
im not any way a medical expert but you are almost certainly right.It's better it's diagnosed now than when the heart is under stress. It's a sad day for JT and his career was only just starting, but depending on how you look at life it could be a blessing..
Fabrice Muamba was only saved because of the medical equipment available at the ground that day, and I believe a doctor was in the ambulance with him who knew what to do....
so........it depends how you look at things, if he collapsed in a Karachi warm up game the treatment he would of needed would not be there.....thankfully that is not a worry...