Published on Jul 16, 2014 and last reviewed on Sep 10, 2018 - 1 min read
This article discusses vertigo, a sensation of spinning, dizziness, unsteadiness, and lightheadedness.
Dizziness, unsteadiness, lightheadedness are symptoms expressed by the patient. But all these indicate that the patient is having a problem of balancing. Balancing is the outcome of a reflex mechanism where vestibule of ear, eyes and sensory receptors of joints and muscles send sensory impulses to the central nervous system (brain and spinal cord). The integration takes place here and finally ordered impulses travel through motor nerves to postural muscles for the maintenance of posture and balance.
So, vertigo is divided into two depending on the site of lesion in the above reflex mechanism:
Central vertigo - Includes diseases of the brain like brain tumors, etc.
Peripheral vertigo - Includes diseases of the vestibule of the ear. This is very important because most of the patients of vertigo are found to be of vestibular origin. In a majority of the cases, it is reversible and patients are found to be having a good spontaneous recovery. Recovery takes place in about two to four weeks.
A few common vestibular diseases causing vertigo are:
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