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Unstable Angina Learning Center
Unstable angina is a condition in which your heart doesn't get enough blood flow and oxygen. It is a prelude to a heart attack. Most people experience a feeling of chest discomfort or shortness of breath. See also: Stable angina; Variant angina.
Angina is a condition marked by a crushing pain in your chest. It is due to inadequate blood supply to your heart muscle, which deprives...
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