Vasospastic angina is a type of angina, and it has other names including variant angina and Prinzemetal's angina.
This is a rare type, and it tends to take place when you are at rest. The cause is a spasm in a coronary artery, which tightens the walls of the artery. Then, the artery narrows, so there is inadequate blood flowing to the heart muscle, leading to chest pain.
Some drugs can help relieve the symptoms.
Key word: vasospastic angina