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Angina
Angina is chest pain or discomfort caused when your heart muscle doesn't get enough oxygen-rich blood. It may feel like pressure or squeezing in your chest. The discomfort also can occur in your shoulders, arms, neck, jaw, or back. Angina pain may even feel like indigestion. But, angina is not a disease. Angina feels like squeezing, pressure, heaviness, tightness or pain in the chest. It can be sudden or recur over time. Depending on severity, it can be treated by lifestyle changes, medication, angioplasty or surgery.