What are the types of coronary heart disease?

Clinical classification is the World Health Organization (WHO) for the sub-standard, namely: angina pectoris, myocardial infarction and sudden death; angina can be divided into spontaneous labor angina and angina. (1) labor angina also divided into three categories, the first new angina; Second, stable angina pectoris; third is deteriorating labor angina. (2) spontaneous angina generally refers to the resting state of angina attack. Which would angina attack with ST-segment elevation, called variant angina.