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Atherosclerotic plaques in the aortic arch are considered to be a potential source of embolism to the brain and a cause of some ischemic strokes, but the role of complex plaques (> 4 mm thickness, ulcerated, superimposed thrombi) in the proximal descending aorta (DAo) is uncertain.

Stroke Alert: A Review of Current Clinical Stroke Literature

Atherosclerotic plaques in the aortic arch are considered to be a potential source of embolism to the brain and a cause of some ischemic strokes, but the role of complex plaques (> 4 mm thickness, ulcerated, superimposed thrombi) in the proximal descending aorta (DAo) is uncertain.