umls-concept:C0003490 | skos:definition | MSH: Conditions resulting from abnormalities in the arteries branching from the ASCENDING AORTA, the curved portion of the aorta. These syndromes are results of occlusion or abnormal blood flow to the head-neck or arm region leading to neurological defects and weakness in an arm. These syndromes are associated with vascular malformations; ATHEROSCLEROSIS; TRAUMA; and blood clots.,NCI: A syndrome resulting from structural defects of the arteries that arise from the aortic arch. Signs and symptoms include weakness, dizziness, arm numbness, blurred vision and transient ischemic attacks. | lld:umls |