Classification of angina pectoris Stable angina pectoris Unstable angina pectoris( Effort angina Caused initial onset type(初发型)( ( classic angina) atherosclerosis accelerated typer(恶化型 plaque and/or thrombus spontaneous type(自发型) formation angina at rest卧位型) Variant angina(变异型) Caused by spontaneous spasm of coronary arteries Mixed angina pectoris• Stable angina pectoris • Unstable angina pectoris – initial onset type(初发型) – accelerated type(恶化型) – spontaneous type(自发型) • angina at rest(卧位型) • Variant angina （变异型） • Mixed angina pectoris Caused by atherosclerosis plaque and/or thrombus formation Caused by spontaneous spasm of coronary arteries Classification of angina pectoris: 5 Effort angina （classic angina）