what is variant angina
Variant angina is an extremely rare form of angina pectoris that is caused by a spasm in a coronary artery. Angina pectoris, or angina for short, is chest pain or discomfort that occurs when the heart muscle is not getting enough oxygen-rich blood for a short period of time.nlike other types of angina that usually occur in someone with coronary artery disease (also called CAD or just heart disease), variant angina may occur in people with or without this condition.