Fig. 1

Vascular ultrasound. Upper row showing sagittal images of the embolus in the a aortic arch (arrowheads) with its extention into the innominate artery and the left carotid artery (white arrows); b descending aorta (arrows) and c abdominal aorta (arrows) with its end just above the celiac trunk. Lower row showing axial images of the upper mediastinum d with the embolus in the aortic arch (white arrows) and e the innominate artery (arrowhead) and in the left carotid artery (arrow); sagittal images of the neck f with the embolus within the supraclavicular part of the left carotid artery (arrows), g which is no longer visible 2 days later. Ao – aorta, H – heart, T – trachea, JV – jugular vein, LCA – left carotid artery, C - clavicula