What Is Angina Pectoris?

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By kevin
Reviewed
Reviewed: Dr. Mera
Article Sources Article Sources
  • 1. COURAGE Trial Research Group. 'Optimal Medical Therapy with or without PCI for Stable Coronary Disease'. New England Journal of Medicine 356 (15), 2007.
Medical Expert Medical Expert

3. What Causes Angina Pectoris?

Angina is caused by restricted blood flow to the heart, usually as a result of an obstruction or spasm in the arteries that carry blood to the heart. Other causes can include anemia, abnormal heart rhythms, heart failure, and atherosclerosis caused by coronary artery disease.

One type of angina, called unstable angina, is more acute and often more dangerous than other types. Unstable angina is caused by fatty deposits or blood clots that suddenly become lodged in one or more arteries leading to the heart and requires urgent medical attention.

Angina Pectoris

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