Cardiac syndrome X is angina (chest pain) with signs associated with decreased blood flow to heart tissue but with normal coronary arteries. Some studies have found increased risk of other vasospastic disorders in cardiac syndrome X patients, such as migraine and Raynaud's phenomenon. It is treated with calcium channel blockers, such as nifedipine, and usually carries a favorable prognosis.
This is a distinct diagnosis from Prinzmetal's angina.
Cardiac syndrome X is sometimes referred to as microvascular angina when there are findings of microvascular dysfunction.
Read more about Cardiac Syndrome X: Features, Causes, Diagnosis, Tests and Exams, Pathophysiology, Difference Between Syndrome X and Other Types of Chest Pain, Women and Cardiac Syndrome X, Treatment
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