hello, I have been feeling some kind of pain around my heart area , but i m not sure if it is because I m going to get a heart attack or something like that ... I m type 2 diabetic, high blood pressure and taking meds for it , metformin, and Lisinopril, and also my doctor prescribed some med for chess pain (nitroglycerine) , to be taken I case I feel pain, but I m not sure if I suppose to take them whenever I feel any kind of pain around my heart , that s kind of my worries and question. hope you can give me an answer , thank you for your help.