Tag Archives: dizziness

Cervical Vertigo

Vertigo is not a specific disease, but a clinical symptom with many different etiologies. Cervical (cervicogenic) vertigo is one of the reasons of dizziness. It can be defined as a balance problem that arises specifically with head and neck movements, accompanied by neck problems. The duration of the symptoms may be short-term (acute) like a positional vertigo, or may be long-term.

Cervical vertigo may occur because of two different reasons. First reason is a problem with sensory (proprioceptive) stimuli in the muscles, tendons and ligaments of the neck. The faulty perception of the place and status of the neck structures by the vestibular system, meaning that these data are not in concordance with the data obtained from the eyes and the inner ear, may lead to clinical situations defined as vertigo, imbalance and dizziness. The second reason is short or long-term ischemia because of vascular dysfunction.

Moving the head backward, reaching up to a place or inclining and reaching to a place can adversely affect blood flow to the vertebrobasilar vascular system and cause cervical vertigo. Blood pressure in this system may decrease in elderly people when standing up from a lying position.

Patients who have cervical vertigo, may have additional feelings of imbalance, headache, unconsciousness, nausea, vomiting, tinnitus, hearing loss and rarely feeling of light flashing in the eyes.

Videonystagmography: A Clinical Tool for Diagnosis of Vertigo

Videonystagmography (VNG) is a clinical test method to evaluate inner ear and central (brain) motor functions about balance. VNG measures the movements of the eyes and gives information about the proper functioning of of inner ear vestibular (balance) function. The testing is comfortable for the patient.  VNG test gives accurate, consistent, and reliable results.
VNG test is used for differential diagnosis between reasons of vertigo. It is performed to understand if a vestibular (inner ear) disease may be causing the balance problem (dizziness, vertigo, lightheadedness, etc) problem. It also gives clue about the side of the disease (right or left inner ear, or sometimes both ears). VNG test involves a group of tests that document the patient’s ability to follow a visual stimulus with his/her eyes and the capacity of the balance system to respond to this stimulus.
VNG test gives information about the functional capacity of each inner ear vestibuler system to understand the origin of the balance problem. Glasses that perform infra-red stimulus (infrared goggles) are worn by the patient during the procedure. The test does not involve any invasive procedure. The patient only wears goggles and the stimulus is given by the glasses. VNG test usually takes less than one hour. According to the specific patient’s needs, one to one and a half hour appointment is given by our clinic. The four main parts of the test are, ocular mobility, optokinetic nystagmus, positional nystagmus and caloric stimulation.
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