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(A) Electrocardiogram showing small Q waves in II, III, aVF, ST elevation with upward concavity in I, II, aVL, aVF and V4–V6, and ST depression and deep negative T-wave in aVR. (B) Serial changes in electrocardiogram showing negative and or flattened T waves in I, II, aVL, aVF, V4–V6.
