What Are The Signs Of Subclavian Steal Syndrome?

Vertigo

Approximately half of all individuals affected by subclavian steal syndrome experience vertigo. This occurs when either the balance organs of the inner ear or the parts of the central nervous system responsible for processing spatial information and balance are not functioning properly. While dizziness and lightheadedness are the results of disequilibrium, vertigo is more caused by the altered perception of the movement of the body itself or the environment around the body. An affected individual can experience vertigo if the cells in the occipital lobe, parietal lobe, and cerebellum do not receive enough blood because of subclavian steal syndrome. Vertigo is most commonly described as spinning or an unsteady feeling with rotational features. The patient can feel like their own body is moving due to altered perception from deprived tissues, or they may interpret this as a feeling the objects around them are moving in a rotational pattern around them. Some individuals compare the feeling of vertigo to motion sickness that occurs when on a boat or long car ride.

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