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Vertebrogenic dizziness is one of the common causes of similar symptoms. It manifests itself with turning movements of the head and neck. Injuries and inflammations in the cervical spine cause muscle spasms and poor circulation. BPPV should also be distinguished from diseases of the posterior cranial fossa, characterized by central nystagmus and neurological symptoms. Since BPPV is directly related to loss of balance, the problem should be found in the organ responsible for this function.
The key to recognizing the disease was examination of the inner ear. Free membrane movementx fragments вЂ� otoliths вЂ� causes disturbances in the functioning of the complex three-channel system. There are two main types of such pathology, depending on the localization of best website for writing essays of the otolithic membrane of the sac containing hair cells. Fragments consisting of calcite break off and irritate the receptors.
Cupulolithiasis вЂ� particles attach to the cupula of the semicircular canal. Canalolithiasis - they move without obstacles in the canal, getting there under the influence of gravity. Some doctors combine the two terms into the general concept of otolithiasis. In 50вЂ�70% of clinical cases, the sources of otoliths cannot be identified. Among the understandable reasons that cause such pathology of the inner ear are the following factors.
In 17% of cases the problem is caused by traumatic brain injury. Internal otitis is the cause of benign vertigo in 15% of patients. Approximately 5% of people diagnosed with Meniere's disease also have this pathology. Antibiotics can be toxic to the inner ear, causing BPPV. Neurocircular dystonia can cause nausea and positional vertigo.