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DISCUSSION: The 12-lead EKG EMS initially obtained for this patient showed severe ischemia, with profound "infero-lateral" ST depression and reciprocal ST elevation in lead aVR. Author continued : STE in aVR is often due to left main coronaryartery obstruction (OR 4.72), and is associated with in-hospital cardiovascular mortality (OR 5.58).
In most cases, rather, the culprit is gross ischemia due to myocardial infarction, cardiomyopathy, or advanced coronaryartery disease. Unfortunately, today’s case is lacking any such diagnostics, thus I cannot say with certainty that the QT interval is, or is not, culpable in arrhythmogenesis. [1] Elsevier: Philadelphia, PA. [7]
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