ST elevation in aVL is associated with lateral acute coronary occlusion. There may be reciprocal changes in leads III and aVF.
See also: ST segment
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This ECG is from a man in his 50s who presented with intermittent epigastric burning pain for 4 days that had become constant that morning.
This ECG shows ST elevation in aVL, I and V2-4 with reciprocal ST depression inferiorly. POCUS showed severe hypokinesis of the anterior wall. The cause was a large anterior MI.