Precordial pain at rest, which may precede a MYOCARDIAL INFARCTION.

Synonyms: Unstable Angina Pectoris, Preinfarction Angina, Unstable Angina, Anginas, Preinfarction, Preinfarction Syndromes, Myocardial, Preinfarction Syndrome, Myocardial, Anginas, Unstable, Preinfarction Anginas, Syndromes, Myocardial Preinfarction, Unstable Angina Pectori, Syndrome, Myocardial Preinfarction, Myocardial Preinfarction Syndrome, Angina Pectoris, Unstable, Myocardial Preinfarction Syndromes, Angina, Preinfarction, Angina, Unstable, Angina at Rest, Unstable Anginas, Angina Pectori, Unstable