Can Unstable Angina Be Dangerous?

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If the blood flowing to the heart muscle is not adequate, your heart muscle will lack oxygen, leading to pain in the chest. This condition is angina. Unstable angina is a type of angina. Unlike stable angina that occurs during exercise, it happens when you are at rest. Besides, it is more severe than stable angina. If the pain lasts for a long period of time, such as more than ten minutes, you should call 911. It can be a sign of a heart attack and it needs timely treatments. Key word: unstable angina; unstable angina pectoris; stable vs unstable angina; unstable angina symptoms; unstable angina treatment