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A 72-year-old woman with hypertension and diabetes mellitus visited the outpatient clinic complaining of chest discomfort. Her electrocardiogram (ECG) revealed AF with rapid ventricular response and 1 mm ST-segment elevation in I, aVL, aVR, V4-V6 leads (Figure 1). Blood tests revealed normal cardiac enzyme levels. A 2D-echocardiogram demonstrated normal regional wall motion, good systolic function, and mild left atrial (LA) enlargement (size Aron Jeong, MD; Sung Soo Kim, MD; Semi Kim, MD; Dong Goo Kang; MD; Seung Wook Lee, MD; Sang Ki Cho, MD

Sinus Conversion of Atrial Fibrillation by Restoration of Atrial Perfusion in a Patient with Chronic Total Occlusion