I get irregular, sharp, short bursts of pain in my chest, on the left side, near my heart. Supposedly, heart and circulatory related pain is neither sharp nor short, so this pain may be muscle or lung-lining related. (I also haven't had any shortness of breath, nausea, or fatigue).
I've had plenty of acid reflux over the years (stomach acid gets into my throat and burns like crazy until addressed), and I just don't understand why, whenever I try to look for information about my mystery chest pain, I'm forced to hear about something as seemingly irrelevant as acid reflux.
It's like calling tech support and they ask you if your computer's plugged in. Am I missing something here? Can acid reflux cause actual chest pain, and not just esophageal pain? If it can, then how? I'm under the impression that the digestive system is a closed system, and that a stomachache shouldn't cause, say, shoulder pain or a backache.
(edit: I found somewhat similar question, and it's answers mention esophageal spasms, but are such symptoms common enough to be relevant, and would they actually cause chest pain? would it not be obvious that the source of the pain is the esophagus?)