Angina is a condition characterized by chest pain due to a temporary lack of oxygen-rich blood to the heart. The three types of angina have different symptoms and treatment options. Stable angina occurs when the heart is working harder than usual and generally goes away with rest; unstable angina is dangerous and requires emergency treatment; variant angina occurs at rest and can be relieved by medicine.
(Click Angina for more information about the types and causes of angina, as well as how to prevent and treat this condition.)
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