Complications of coronary artery disease

Coronary artery disease (CAD, also called coronary heart disease, or CHD) develops if the large blood vessels that supply the heart with oxygen become too narrow. That can cause symptoms such as shortness of breath and a tight feeling in the chest. It can also lead to a heart attack. The blood vessels that supply the heart with oxygen are called coronary arteries. CAD is caused by deposits building up in these arteries (arteriosclerosis). This can also lead to other types of heart disease.
The heart may get weaker, or your heartbeat may become irregular. Heart attacks are also more likely.