Objective: To investigate the utility of admission blood glucose for predicting major adverse cardiac events (MACE) during hospitalisation and 6 months’ postdischarge in acute myocardial infarction (AMI) patients. Methods and results: This study recruited 2878 AMI patients admitted to the Coronary Care Unit at R. K. Khan Hospital, Durban, South Africa, from 2002 - 2014. Demographic and clinical data stored in an electronic database were obtained from all patients. Admission blood glucose levels were sub-divided into 3 groups; low (