I don't doubt that pro footie can result in a heart attack and it's definitely a higher risk setting for things like these, just seems surreal (from a completely uninformed opinion) that it can happen without any prior symptoms, if so that's a pretty fucked up situation.
F.e. the health consultant at Fiorentina was convicted in the Astori case, as his tests had demonstrated irregularities in the past that they decided to overlook.