Angina occurs when part of the heart does not receive enough oxygen. It may feel like pain, squeezing, or pressure in the chest. Angina is not a disease but a symptom of another underlying condition.

Angina, a type of chest pain, can be stable or unstable. Stable angina follows a predictable pattern. For example, it may occur regularly after strenuous exercise and go away shortly. Angina is a type ...