This document provides new guidelines for managing patients with non-ST-elevation myocardial infarction (NSTEMI) in 2018. It recommends using high-sensitivity troponin assays for diagnosis and simplifying risk stratification to determine invasive management strategies. It also suggests using intensive/intermediate cardiac care units for NSTEMI patients and considering radial versus femoral approaches when using invasive strategies. The guidelines outline dual antiplatelet therapy algorithms for patients with or without oral anticoagulants, bleeding management during dual antiplatelet therapy, and switching between dual antiplatelet therapies.