I would strongly recommend ignoring any medical recommendations from anyone who is not accredited in the field of Medicine.
can mean many things. It can be as simple as a pulled muscle, or as serious as a heart attack
I would recommend that any time you feel chest pain, have difficulty breathing
, feel like you have pressure in your chest, or all of the above, you should call for help.
If you're not aware of the signs and symptoms for a heart attack, or if you aren't sure, its better to have it ruled out by a doctor, or even a Paramedic. They can tell you if you seem to be having a Cardiac problem.
I'm an instructor of other Paramedics, and even I can't diagnose you over the internet. So take all of this with a grain of salt.
But never, EVER, hesitate to call 9-1-1 for any reason. It's there so you don't have to make these calls on your own.
Good Luck, and Good Health!!!