PMC5173496_01
Electrocardiogram after the initiation of an adenosine triphosphate product.
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An electrocardiogram (ECG) obtained after the administration of the medications revealed serious ST-segment depressions in the II, III, aVF and V2-V6 leads (Fig. 1).
Electrocardiogram performed at our emergency department.
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Although no significant ST-segment changes in ECG were observed at our emergency department (Fig. 2), his troponin-T levels were high.
(A) The image shows 75% stenosis of the distal-right coronary artery. (B) The image shows 90% stenosis of the proximal-left anterior descending coronary artery (arrow). (C) The image shows 90% stenosis of the proximal-left anterior descending coronary artery and 75% of the mid-left circumflex coronary artery. The red circle was enlarged in (D). (D) The image shows 90% stenosis of the proximal-left anterior descending coronary artery (arrow). (E) Post-stent deployment, which achieved excellent results.
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CAG revealed 75%, 90%, and 75% stenosis of his distal-right coronary artery (Fig. 3A), proximal-left anterior descending coronary artery (LAD), and mid-left circumflex coronary artery (Fig. 3B-3D), respectively. Subsequently, sequential balloon expansion was performed, and the lesion was successfully stented (Fig. 3E).