If you've had symptoms for a few hours that are untreatable by medication (like I said), then you call your doctor. Your doctor will tell you whether or not to come in. If it's chronic old-person pain, your doctor will find that out, and tell you next steps.

If you've had symptoms for weeks/months, well, I guess that's probably not a heart attack, good job? Still should have gone in within the first day.

You're spot on with your previous post, but just wanted to add a note to anyone reading that if you've been having intermittent chest pain or discomfort for weeks/months, it still could be a heart problem (or reflux or a host of other things) that needs to be checked out. You could have a partial blockage of a coronary blood vessels (the blood vessels that provide blood/oxygen to the heart muscle itself) that provide insufficient blood flow, either when you're active, or randomly.

(this is not medical advice!)