seishin, I'm sorry you had such a bad ER experience. Did you go by ambulance or were you driven in?
Aspirating fluids or food is not normal. Neither is chest pain. There could be many reasons for it. I cannot believe they didn't even do a chest x-ray! That's usually the very LEAST they do for chest pain. Other things are D-Dimer to test for a blood clot, basic blood chemistry, O2 saturation, etc.
Chest pain is an emergency, no matter what the cause. And with pitting edema, I'm beyond shocked that they didn't do an ECG at the VERY least. Ditto on what Celeste said about it possibly being angina or something worse.
You really do belong in the hospital/ER. Let me give you a couple hints on how to deal with them. First, do not say more than you have to. Keep it simple. Then, do not allow them to give you the same doctor. Chances are the shifts will have changed anyway and new docs will be on. BTW, tears don't hurt.
That's sad but true. If you act like you know everything, they often think you're a hypochondriac needing attention on a holiday or think you aren't sick enough if you can actually think and talk.
If they still won't help you, you can always pull out the big guns later like asking for a patient representative or an administrator (good luck finding one on a Sunday).
The bottom line here is that you have significant symptoms and are in pain. You need help. So, just go get some. If your insurance pays for an ambulance, just dial 911. Chest pain is nothing to mess with. You might have aspiration pneumonia!!! That's dangerous too.
If you get worse during the night and have opted not to go in now, then do it right away. You don't want to mess with this. If you do have MG, then it's an emergency too! And there are other tests like pulmonary breathing tests, an arterial blood gas, clinical exam to test for muscle weakness, etc. that the dimwit (an alternative to a swear word that still describes indignation!) could've done.
Also, you might have MG AND something else going on. Don't assume anything when you have serious symptoms. Let the doctors try to figure it out.
I hope you get the care you need soon. Hang in there! And try not to make doctors your enemy.
Be as kind to them as you can and they'll probably be that way in return. I know, that's hard to do when you don't feel good and aren't getting good help.