FreeMD® Cardiac Syndrome X Definition

Cardiac Syndrome X

Definition

Cardiac Syndrome X Definition

Common names:

Angina Syndrome X
Cardiac Syndrome X
Heart Syndrome X
Microvascular Angina

A person with cardiac syndrome X has symptoms due to low blood oxygen levels in the heart. Cardiac syndrome X is a type of angina.

Angina is caused by narrowing of the large coronary arteries. Cardiac syndrome X is caused by narrowing of the smaller vessels within heart muscle. People with cardiac syndrome X have symptoms similar to those with angina, but rarely suffer heart attacks.

Continue to Cardiac Syndrome X Symptoms

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Last Updated: Oct 21, 2008 References

Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD

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