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ECG STEMI. ECG showing an anterolateral STEMI in a 68 year old man with acute onset chest pain since 2 h. Note the ST segment elevation in anteroseptal and high lateral leads (I, aVL, V1-V3) and reciprocal ST depression in inferior leads (II, III and aVF). The coronary angiography revealed an ostial occlusion of the left anterior descending artery.
