Angina is a type of chest discomfort or pain due to poor blood flow through the blood vessels (coronary vessels) of the heart muscle (myocardium). Some patients have symptoms other than classic angina when there is poor blood flow to the heart which may be called their “anginal equivalent.” Examples include shortness of breath, back, jaw or arm pain.

There are different types of angina:

Get medical help right away if you have new, unexplained chest pain or pressure. If you have had angina before, call your health care provider.