PMC8754436_01
Computed tomography image showing occlusion of the right common carotid artery (right CCA), 95% stenosis of the left common carotid artery (left CCA), 90% stenosis of the left internal carotid artery (left ICA), 70% stenosis of the right vertebral artery (right VA).
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Computed tomography revealed occlusion of the right common carotid artery, a 95% stenosis of the left common carotid artery, a 90% stenosis of the left internal carotid artery, occlusion of the left vertebral artery, and a 70% stenosis of the right vertebral artery (Fig. 1).
Coronary angiography showing 50% stenosis of the left main coronary artery (LM), 60% proximal stenosis of the left anterior descending coronary artery (LAD), occlusion of the circumflex artery (CX) (a); occlusion of the right coronary artery (RCA) (b).
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The distal bed of the right and circumflex coronary arteries was poorly visualized due to a poor collateral flow (Fig. 2).