Vertebrobasilar is a condition that affects both the vertebral and basilar arteries, resulting in circulatory disorders in which blood supply to the back of the brain is disrupted.

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Vertigo is a symptom of a balance disorder, an illusion of movement when no movement is present. It may feel that you are spinning, tilting, rocking, or falling within your surroundings. You may vomit or have ringing in the ears (tinnitus). Also, your eyes may uncontrollably jerk back and forth. True vertigo, from the Latin "vertere," meaning to turn, is a distinct, often severe form of dizziness that is a movement hallucination.

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