Types of Angina. Angina usually refers to the chest pain caused by the shortage of oxygenated blood in the heart muscles. It is mainly of three types-stable, unstable, and variant angina.Find out more about these three types of angina, and what can cause them, through this Buzzle article.he most common symptoms of this condition are chest pain and discomforts like tightness, squeezing, and heaviness in the chest. Sometimes, the chest pain or discomfort is also accompanied by other symptoms, like pain in the upper abdomen, back, and the neck.