I feel a quick tightening in the middle of my chest and now I got a "chilly" feeling through my body, My chest stings, it does not "hurt" just stings, my left shoulder aches. I feel cold from head to toe. Now my heart beats quicker for like 2-3 beats and returns to normal. I have a history of anxiety, depression, I am type 2 diabetes. My total cholesterol is 102. I am 5 ft 6 inches tall 324 pounds, and I smoke approx 8-10 cigarettes a day. I am on Metformin, gemfibrizol, and rantadine, along with a birth control pill because I have disfunctional uterine bleeding. Should I visit the er?