question: Hello. My dad had open heart surgery almost one yr ago. I feel that he may have overdone activity early on.He had to help move things out of my grandmothers house because she was put in a nursing facility 2 monthes after surgery.  he has since gone to the er and they said it was not his heart. Is it still possble to get chest discomfort from muscles one year after surgry? And when can you be fully recovered? I'm worried about my dad and when i talk to him about it, i can tell he's also scared. My dad is a 62 yr old that is an ex-smoker and is currently retired.Just letting you know alittle on his background!