Hi welcome to our site read your query that is a very significant question and i appreciate your problem i will try my best to answer your query diabetics are very prone to silent cardiac disease where the other features of cardiac disease present themselves but no chest pain the other features of heart attack are breathlessness radiation of pain to left arm radiation of pain to jaw radiation of pain to upper abdomen i would seriously suggest that you get yourself a ct angiograohy, if not coronary angiography if these turn out to be normal then we can possibly think of other possibilities i hope this helps you inform the reports mentioned above (if any) so i can be of help further best of luck I have given you the answer to the maximum Considering the information provided. The results of the tests could further enhance my answer to you please do understand that some details could be extracted from a detailed history and examination (If the answer has helped you, please indicate this) dr.saumyamittal@gmail.com