Angina pectoris, often shortened to angina, is chest pain or discomfort caused by reduced blood flow to the heart and most ...

Unstable angina, or acute coronary syndrome, is a type of chest pain or discomfort that typically occurs when a person is resting. Unstable angina is a medical emergency, and people should seek ...

Both angina and a heart attack can feel the same, causing chest pain due to reduced blood flow to the heart. However, with angina, the pain is caused by a brief interruption of blood flow, often ...