If it was a day ago, the heart attack would have happened. If he just found out now, the heart attack would be happening now.
If it was a heart attack, OP wouldn't have time to post this.
holy stuff.
since apparently people don't know this / didn't learn this in health class
Many people think a heart attack is sudden, like a "movie" heart attack, where someone clutches her chest and falls over. But the truth is that many heart attacks start slowly as mild pain or discomfort. ... For both women and men, the most common sign of a heart attack is pain or discomfort in the center of the chest. The pain or discomfort can be mild or strong. It can last more than a few minutes, or it can go away and come back. ... Sometimes the signs of a heart attack happen suddenly. But they can also develop slowly, over hours, days, and even weeks before a heart attack occurs. ... Even if you're not sure you're having a heart attack, you should still have it checked out.
could lifting heavy stuff have anything to do with it?
and while, yes, this could be "evidence" that it's something like arthritis,
the bottom line is it's always good to get it checked out - better safe than sorry with something like a heart attack.
Tell your Dad that he should stop letting his son seek medical advise on a forum about a lego based game and that he should just ask his doctor.
he probably has no idea that swat even posted this and it's just a case of the son being concerned for his father - leave him be lol