Widespread ST depression occurs across many leads, typically including inferior (II, III, aVF), anterior (V2-4) and lateral (I, aVL, V5, V6) distributions.
See also: ST segment
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This ECG is from a woman in her 50s who presented with 3 days of intermittent chest pain that became worse on the day of presentation, with diaphoresis and radiation to the left arm, as well as abdominal pain.
This ECG shows widespread ST depression with ST elevation in aVR and V1-2, due to a 100% left main occlusion.
This ECG is from a woman in her 60s who presented with hypotension, bradycardia, chest pain and back pain. She had a history of aortic aneurysm, mechanical aortic valve and peripheral vascular disease.
This ECG shows widespread ST depression with ST elevation in aVR. The cause was aortic valve thrombosis.