Unstable Angina Directory

Unstable angina is characterized by a new onset of chest pain or an increase in frequency or severity of angina that in some cases may be a sign of an impending heart attack. This type of chest pain usually is brought on by exertion and is relieved with rest. Unstable angina requires immediate medical attention and comprehensive testing for possible underlying coronary artery disease. Follow the links below to find WebMD's comprehensive coverage about how unstable angina is caused, how to treat it, and much more.

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