What is cardiac syndrome X?
A person with cardiac syndrome X has chest pain or discomfort, caused by a decrease in the supply of oxygen to the heart. Cardiac syndrome X is a type of angina. Cardiac syndrome X is caused by narrowing of the smaller vessels within the heart muscle. People with cardiac syndrome X have symptoms similar to those with angina, but rarely suffer heart attacks.

What are the symptoms of cardiac syndrome X?
The most common symptoms of cardiac syndrome X include chest pain or chest heaviness. Other symptoms include nausea, sweating, breathing difficulty, and arm pain.

How does the doctor treat cardiac syndrome X?
Treatment for cardiac syndrome X includes medications to control symptoms.