No information is currently available regarding the optimal cutoff values of the baseline ST-segment deviation sum (STDsum(baseline)) and 60-minute ST-segment deviation change (STDchange(60 min)) for predicting acute myocardial infarction (AMI).
Emergency Heart Center, Erlanger Medical Center and Division of Emergency Medicine, University of Tennessee Chattanooga College of Medicine, Chattanooga, TN 37405, USA. francis.fesmire@erlanger.org