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Title: Recognition and management of aVR STEMI: a retrospective cohort study
Authors: Vlok, R
Wall, J
Kempton, H
Melhuish, T
Lee, A
White, L
ANZCA/FPM Author: White, LD
Keywords: acute coronary syndrome
aVR lead
STelevation myocardial infarction
Citation: 25(1):1-3.
Abstract: Identification of ST elevation on the electrocardiogram (ECG) is the cornerstone of diagnosis of ST-elevation myocardial infarction (STEMI). While lesion localisation can usually be achieved by regional ST-elevation patterns on ECG, clinicians often neglect changes in the ST segment of lead aVR, possibly contributing to delayed recognition and poorer outcomes for these patients. This study compared the ‘door-to-balloon time’ and peak troponins – as a surrogate marker of infarct size – for patients presenting with STEMI with ST-segment elevation in aVR compared with those patients without elevation in aVR. A total of 179 patients, including 17 patients presenting with ST-elevation in aVR, were included in this study. Patients presenting with elevation in aVR had significantly longer door-to-balloon times than those patients presenting with ‘traditional’ patterns of ST-elevation. There was, however, no significant difference in peak troponin as a marker of infarct size. While patients presenting with ST-elevation in lead aVR may have a delayed time to intervention, the present study does not suggest the use of aVR elevation as an indication for urgent angiography.
DOI: 10.5837/bjc.2018.004
Journal Title: The British Journal of Cardiology
Type: Journal Article
Study/Trial: Case Control Studies
Appears in Collections:Scholarly and Clinical

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