I have gerd and pots. if my gerd acts up my pots does 2. especially if i eat chocolate. i get chest bubbles, palps, lightheaded when i stand up. why?

Vagus nerve stim: The symptoms you are describing in regards to eating chocolate are most likely causing some distension in your stomach and small bowel leading to stimulation of your parasympathetic nervous system (main nerve being Vagus nerve) which can worsen your POTS. My advice would be to lay off the chocolate. Hope this answers your question. Best of luck. Dr. R