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.
Angina is caused by too little blood flow to the heart. The most common cause of angina is coronary heart disease (CHD). Unstable angina Â· Sudden chest pain that may also be felt in the shoulder, arm, jaw, neck or back Â· Feels like tightness, squeezing, crushing, burning, choking or aching