symptoms usually come as discomfort or pain in the middle of the chest, near the pit of stomach. Heart pain increases on exertion and gets relieved with rest. A pain that worsens on applying pressure is likely to be related to the bone/cartilage
or muscles of chest. However, an x-ray of chest and electrocardiogram along with a physician’s consult are advisable, as you are already on medicines for your blood pressure.
Do you often get stomach upsets? Repeated feelings of discomfort or iciness in the centre of chest could also be related to disturbed stomach acid secretion. Avoid tobacco and alcohol in all forms. Drink plenty of warm fluids (Avoid carbonated or sugar-containing drinks).
Heart attack as a reason for your symptoms seems to be very unlikely.
Hope you get relief of the chest symptoms soon,