The symptom of paroxysmal pain consequent to MYOCARDIAL ISCHEMIA usually of distinctive character, location and radiation. It is thought to be provoked by a transient stressful situation during which the oxygen requirements of the MYOCARDIUM exceed that supplied by the CORONARY CIRCULATION. The phenotype is angina pectoris (EFO_0003913). Also known as: Angor Pectoris, Stenocardia, Stenocardias, angina, stable angina.