Review of acute coronary syndromes: diagnosis and management of unstable angina and non ST-elevation myocardial infarction.

Coronary artery disease (CAD) is the leading cause of death in the U.S. Acute coronary syndrome (ACS), in specific, unstable angina (UA) and a non ST-elevation myocardial infarction (NSTEMI) are life threatening conditions that need prompt diagnosis and treatment. This is the second part of a two-part review series that aims to discuss the different types of ACS. The focus of this review is UA/NSTEMI, and it provides answers to some of the fundamental questions through evidence-based guidelines.