Our expert says:
Angina is chest pain or discomfort that occurs when an area of your heart muscle doesn't get enough oxygen-rich blood (like the pain you would get in your fingers if you put a tight elastic around your hand). If the oxygen deficiency is severe or for a long period the muscle may be permanently damaged, causing a heart attack or miocardial infarct. Angina may feel like pressure or squeezing in your chest. The pain also may occur in your shoulders, arms, neck, jaw, or back or may even feel like indigestion.
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