hello I had heart attack and stent done 1year ago. but now I am suffering from, dizziness , with staggering, not sleeping ,as I am having chest pain in bed, I have chest pain and shortness of breath during the day, my blood pressure goes high then it goes to 93/53 hr 86 , feeling very nauseated, legs fatigue very quickly, get the sweats very quickly, I do use nitrolingual spray and that does give some relief. I feel terrible what is going on with me...