Originally Posted by
J50 
I've had those. Had them checked out too with no issues. I most recently had them when I was on vacation a couple months ago. My diet was down the tubes and I wonder if they were nutrition related? I've read that low potassium can cause them. At your stage, there could be some vitamin or mineral deficiances (which are common after quitting). I wouldn't stress to much if you got a clean bill of health. They should go away. Have you ever had them prior to quitting?
Definitely this ^^^ on the potassium. I have been to the emergency room more than once with scary chest pains and palpitations only to find out i had low potassium, which will also make you anxious.