The word vertigo is derived from the Latin phrase verto, which means, “to revolve”. Vertigo is a false sense of motion, spinning or feeling of imbalance. Sufferers often call it dizziness, imbalance, light-headedness or “chakkar aana (vertigo meaning in hindi)”.
Often the imbalance is associated with nausea, vomiting or unsteadiness on walking. It may worsen when you move your head. Vertigo should not be mixed up with acrophobia, which is an extreme fear of heights.
Vertigo and dizziness are common complaints presented by patients to doctors of all specialities, and they affect all age groups.
Vertigo patients may also complain of nausea, difficulty in focusing on moving objects, headaches, change in hearing or ringing in the ears, and difficulty in concentration. Their symptoms can come and go and can range from a few seconds to minutes, hours, even days.
This technology is used for observation, measurement and analysis of eye movement during various oculomotor and vestibular tests.
Subjective Visual Vertical (SVV) is an investigation to evaluate the otolith system which is responsible for the perception of verticality.
Craniocorpography (CCG) is a neuro-otological investigation to evaluate the vestibulospinal reflex, which is responsible for the maintenance of balance during gait testing.
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