What does angina mean?

Angina pectoris is a clinical syndrome caused by coronary artery insufficiency, acute myocardial ischemia and hypoxia. Angina

pectoris is mainly caused by atherosclerosis of coronary artery blood vessels, which causes myocardial insufficiency caused by narrowing of blood lumen, resulting in chest pain, chest tightness, sweating, palpitations and other symptoms. Chest pain is mainly manifested as tightness in the precordial area, angina pectoris, crushing pain behind the sternum, and may also radiate to the upper limbs, lower jaw and throat, etc., resulting in corresponding pain. If the above symptoms are found, timely treatment and treatment are required.