In this video, Dr. K K Aggarwal, President Heart Care Foundation of India and Group Editor in Chief MEDtalks, will discuss the causes, symptoms and treatment of angina. He will further talk about when to intervene in angina. Failure of adequate medical treatment to provide wanted quality of life or better quality of life, such cases requires intervention. Dr. Aggarwal will discuss the case of the triple vessel disease with one artery completely block. Such patients require bypass surgery.