In this video, you will learn about types of Angina pectoris, causes of stable, unstable Angina and Prinzmetal Angina. TIMELINE: 0:00 Introduction 0:51 Types of Angina 2:10 Cause of Stable Angina 2:35 Cause of Unstable Angina 3:03 Cause of Prinzmetal's Angina 3:37 Stable Angina 4:20 Stable Angina classification