case_images: PMC8202302_01
case_images: Aortic arch arteriography: injection of contrast through a catheter advanced to the aortic arch revealed no antegrade flow to the innominate artery, which appeared to fill via collateral vessels and via retrograde flow. Unobstructed antegrade flow through the left carotid artery and the left subclavian artery was visualized.
case_images: 10.1177_2050313X211023679-fig1.jpg
case_images: PMC8202302_01_10.1177_2050313X211023679-fig1.jpg
case_images: fig1-2050313X211023679
case_images: Contrast injection through a catheter advanced to the aortic arch demonstrated no antegrade flow to the innominate artery (Figure 1), which appeared to fill via collateral vessels and via retrograde flow.