Most of them experience severe chest pain, retrosternally with profuse sweating and pain radiating towards left arm, jaw, back or upper abdomen. This chest pain is unusual and severe usually never experienced before.
However about 20-25% of patient develop heart attack without chest pain. They may have unusual symptoms like, unusual sweating, giddiness, vomiting, breathlessness, extreme fatigue or sense of impending doom. Silent heart attacks common in diabetes and old age people > 70yrs. Most of the time, this is confused by common man as acidity (“GAS”)