hi, a few days ago i just started shaking for no reason at all, and i still am after it has been a few days. over those days in between then and now, i have gotten severe chest pains to the point where i cant breathe properly or take deep breaths because it hurts so much. i also have had bad off and on stomach pains since maybe last november. it hurts to sit, stand, talk, breathe, lay down, do anything, really. im starting to get worried. whats happening?