Fortunately, bilateral subclavian artery disease is an infrequent finding, and when it occurs, it can represent either atherosclerosis or underlying arteritis (i.e., Takayasus arteritis).

A 58 year old man noticed an unsteady gait when he woke up. He was unable to keep standing and fell several times to the left. On the next day, he visited our clinic. He denied vertigo, diplopia, ...