I too had these identical symptoms at one time. There were frequent emergency visits. They too thought it was my heart. The cure for me was to loose weight and to stop feeling depressed. Today, I have lost weight and BMI is 23.3 and I am taking Prozac and none of the symptoms have returned.
Hello- I have gone thru similar issues, however mine were found to be neurological(www.devinsdiary.com) Obviously we are all very different the way our body handles stuff. I do know stress, anxiety, etc can do all kinds of things to your body as well. I have learned breathing excercises and to monitor my bodys " typical" by keeping a daily journal and showing the dr's after charting so I can show: OK- this is exactly what happened, before, during, and after in the past two weeks. I pray you get a proper diagnosis, or cure for that matter as I know it is no fun to feel that awful. If you'd like to talk please let me know.>>Feel better!!!!! :) D