What is Prinzmetal's angina?
A person with Prinzmetal's angina has chest pain or discomfort, caused by spasm of the arteries that supply blood to the heart muscle. The spasm reduces the supply of oxygen to the heart muscle, which causes pain. The cause of Prinzmetal's angina is unknown.

What are the symptoms of Prinzmetal's angina?
The most common symptoms of Prinzmetal's angina include chest pain, chest tightness, or chest heaviness. Other symptoms of Prinzmetal's angina include nausea, faintness, sweating, breathing difficulty, and arm pain.

How does the doctor treat Prinzmetal's angina?
Treatment for Prinzmetal's angina includes medications to reduce the spasm in the arteries. In those who have coronary artery disease, additional treatment for Prinzmetal's angina may include angioplasty or coronary artery bypass surgery.