PMC9297169_01
ECG of patient showing flattened waves in inferior leads.
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The electrocardiogram obtained by the cardiologist 48 h after admission showed normal sinus rhythm, HR 82 bpm, low voltage QRS, and flattened T-waves in the inferior leads (II, III, and aVF) (Fig. 1).
ECG of patient showing negative waves in leads III and aVF.
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On the fifth day of hospitalization, follow-up ECG showed negative T waves in leads III and aVF (Fig. 2).