Objectives: 1) To investigate the rate of stress hyperglycemia in patients with acute myocardial infarction; 2) Evaluate the association between stress hyperglycemia and some cardiovascular events during hospital stay in patients with acute myocardial infarction; Materials and methods: A cross-sectional descriptive study was carried out of 141 patients with acute myocardial infarction from July 2020 to July 2021 at Can Tho Central General Hospital.