Validation of contemporary electrocardiographic indices of area at risk and infarct size in acute ST elevation myocardial infarction (STEMI)

Y. T. Du, S. Pasupathy, T. Air, C. Neil, J. F. Beltrame

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BACKGROUND: Electrocardiographic (ECG) methods to assess area at risk (AAR) and infarct size (IS) in patients with ST-elevation myocardial infarction (STEMI) have been previously established but not validated against contemporary benchmark Cardiac Magnetic Resonance (CMR) measures. We compared ECG-determined and CMR-determined measures for (a) AAR, (b) IS, and (c) myocardial salvage. METHODS: Sixty patients with ECG evidence of STEMI and CMR imaging performed within 13days were included. The ECG-determined (a) AAR scores (Aldrich and Wilkins), (b) IS (Selvester score), and (c) myocardial salvage (i.e. [AAR-IS]/AARx100%), were compared with CMR-determined measures. RESULTS: Compared with CMR-determined AAR, both the Wilkins & Aldrich scores underestimated AAR, although the Wilkins (r=0.72, p
Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalInternational Journal of Cardiology
Publication statusPublished - 2020
Externally publishedYes

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