What is the difference between acute angina and angina?

Acute angina pectoris refers to angina pectoris caused by acute attack of coronary heart disease, which is usually not essentially different from angina pectoris.

According to different inducing factors, angina pectoris is mainly divided into stable angina pectoris, unstable angina pectoris and variant angina pectoris, without acute angina pectoris. For acute angina pectoris, it usually refers to angina pectoris occurring during acute attack of coronary heart disease, which is no different from angina pectoris. It is a clinical syndrome caused by insufficient coronary blood supply, resulting in myocardial ischemia and hypoxia. It is mainly manifested as chest discomfort, such as chest crushing pain and chest tightness.