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.
This is a syndrome that occurs when the sciatic nerve is compressed or irritated (i.e. a sciatica) by the piriformis muscle. This condition is more likely to occur in individuals with anatomical variations of the sciatic nerve and piriformis. Other causes of sciatica include a herniated disc between L5 and S1. This can be diagnosed by a MRI scan, and treated with surgery. The symptoms of piriformis syndrome include: buttock pain; tenderness over the greater sciatic notch