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J Am Coll Emerg Physicians Open2026;7(5):100473.October 1, 2026Journal Article

Improved Detection of Acute Coronary Occlusion Myocardial Infarction by an Artificial Intelligence Electrocardiogram Model in Swedish Emergency Departments.

Thomas Lindow1,2, Axel Nyström3, Jakob Lundager Forberg4,5, Arash Mokhtari6,7, Anders Björkelund8, Robert Herman9,10, H Pendell Meyers11, Stephen W Smith12, Ulf Ekelund13,14
1Respiratory Medicine, Allergology, and Palliative Medicine, Department of Clinical Sciences Lund, Lund University, Lund, Sweden.
2Department of Medicine, Region Kronoberg, Växjö Central Hospital, Växjö, Sweden.
3Department of Laboratory Medicine, Lund University, Lund, Sweden; Computational Science for Health and Environment (COSHE), Centre for Environmental and Climate Science, Lund University, Lund, Sweden.
4Department of Emergency Medicine, Helsingborg Hospital, Helsingborg, Sweden.
5Department of Clinical Sciences Lund, Lund University, Lund, Sweden.
6Cardiology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden.
7Department of Cardiology, Skåne University Hospital, Lund, Sweden.
8Computational Science for Health and Environment (COSHE), Centre for Environmental and Climate Science, Lund University, Lund, Sweden.
9Cardiovascular Centre Aalst, AZORG Hospital, Aalst, Belgium.
10Powerful Medical, Bratislava, Slovakia.
11Department of Emergency Medicine, Carolinas Medical Center, Charlotte, North Carolina, USA.
12Faculty Emergency Physician, Hennepin County Medical Center; Professor of Emergency Medicine, University of Minnesota, Minneapolis, Minnesota, USA.
13Emergency Medicine, Department of Clinical Sciences Lund, Lund University, Lund, Sweden.
14Department of Emergency Medicine, Skåne University Hospital, Lund, Sweden.
PubMed PMC DOI PDF

Abstract

OBJECTIVES: The Queen of Hearts (QoH) ECG artificial intelligence model has demonstrated improved sensitivity for detecting occlusion myocardial infarction (OMI) compared with STEMI criteria, but further validation is needed. We aimed to evaluate QoH's diagnostic performance in patients with chest pain at Swedish emergency departments (EDs). METHODS: This retrospective analysis included consecuti…

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