I was in the store and felt a crushing pain in the middle of my chest. I had to stop and lean over buggy. It lasted like 15 min. Went to Dr. and they did ekg and it was ok, They tok blod to check for the enzymes that shw up in your blood after a heart attack, got stress test scheduled. What ya think? I havent got blood results bk. And left arem was having dull pains 2 dys before. Little help here please!