Madhubani painting, also referred to as Mithila Art (as it flourishes in the Mithila region of Bihar), is characterized by line drawings filled in by bright colours and contrasts or patterns.
1 Variant angina. 2  Variant angina, also called Prinzmetal's angina, is caused by a spasm in a coronary artery in which the artery temporarily narrows. 3  This narrowing reduces blood flow to your heart, causing chest pain. 4  Variant angina can occur even when you're at rest, and is often severe.ngina is caused by reduced blood flow to your heart muscle. Your blood carries oxygen, which your heart muscle needs to survive. When your heart muscle isn't getting enough oxygen, it causes a condition called ischemia.
The large coronary arteries may be normal. Syndrome X cardiac disease describes decreased blood flow to the heart muscle with normal coronary arteries not caused by vasospasm that is seen in Prinzmetal angina. This may be a variant of microvascular angina.sually, there has to be at least a 50% narrowing of a coronary artery to cause symptoms. Prinzmetal angina describes pain that is caused when a coronary artery goes into spasm temporarily decreasing blood supply to a section of heart muscle.