question: my boyfriend has an enlarged heart and is only 19. He has to have a scan in the next 42 hours to find more about it , this is serius , how will they treat this and how did he get it? he has had syptoms of short breath and bad breathing at night for over 3 months befor he had his first scan, what could it be and what medication is available, does this mean a change of lifestyle? how serious is this?