i was working out side running a tamping machine at work it got to 4;30 and as i steped across the road wipeing the sweat from my forehead i suddely felt frozen and very heavy almost callapsing then my vision went to tunnel, i sat down regaining my senses procieded to dr,s office and was given ekg and found that i just had a heart attack why dont the symptoms fit the condition no arm pain no real pain to speak of , just the coldest and heavyist ive ever expirienced ?