AEM Early Access 41:MI Can Be Safely Excluded by hsTn I Testing 3 Hrs After ED Presentation
The accuracy and speed by which acute myocardial infarction (AMI) is excluded are an important determinant of emergency department (ED) length of stay and resource utilization. While high‐sensitivity troponin I (hsTnI) >99th percentile (upper reference level [URL]) represents a “rule‐in” cutpoint, our purpose was to evaluate the ability of the Beckman Coulter hsTnI assay, using various level‐of‐quantification (LoQ) cutpoints, to rule out AMI within 3 hours of ED presentation in suspected acute coronary syndrome (ACS) patients.
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