Hello I am Debbra, Last Friday at work sitting relaxed , My heart began pounding & racing fast, from 8 am to about 2 pm every for 20 -30 minuted every hour durring that time, I was no pain, began being nauseated and sweating, it stoped then at 6 pm I went to dinner ate a few bited when i began feeling nauseated again and sweating badly, and passed out felt tired that evening, and nothing since