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Sensorineural hearing loss (SNHL) is a type of hearing loss in which the root cause lies in the inner ear, sensory organ (cochlea and associated structures), or the vestibulocochlear nerve (cranial nerve VIII). SNHL accounts for about 90% of reported hearing loss. [citation needed] SNHL is usually permanent and can be mild, moderate, severe ...
Sensory neuropathies are inherited conditions in dogs and cause an inability to feel pain and a loss of proprioception. Self-mutilation is often seen. No treatment has been found, and the prognosis is poor in severe cases. Several breeds are affected: Boxer symptoms usually occur around two months of age as a slowly progressive disease. [3]
Nonsyndromic deafness. Nonsyndromic deafness is hearing loss that is not associated with other signs and symptoms. In contrast, syndromic deafness involves hearing loss that occurs with abnormalities in other parts of the body. Nonsyndromic deafness constitutes 75% of all hearing loss cases, and an estimated 100 genes are thought to be linked ...
Sudden sensorineural hearing loss (SSHL) is a change to the inner ear hearing status. SSNHL is a change of 30 dB HL or greater at three adjacent frequencies within 72 hours. For example, if your ...
Jervell and Lange-Nielsen syndrome (JLNS) is a rare type of long QT syndrome associated with severe, bilateral sensorineural hearing loss. [2] Those with JLNS are at risk of abnormal heart rhythms called arrhythmias, which can lead to fainting, seizures, or sudden death. JLNS, like other forms of long QT syndrome, causes the cardiac muscle to ...
Agnosia is a neurological disorder characterized by an inability to process sensory information. Often there is a loss of ability to recognize objects, persons, sounds , shapes, or smells while the specific sense is not defective nor is there any significant memory loss . [ 1 ]
Waardenburg syndrome is a group of rare genetic conditions characterised by at least some degree of congenital hearing loss and pigmentation deficiencies, which can include bright blue eyes (or one blue eye and one brown eye), a white forelock or patches of light skin. These basic features constitute type 2 of the condition; in type 1, there is ...
In case of a severe sensorineural hearing loss caused due to a dead labyrinth, a false negative Rinne test may occur. It is caused by the fact that even though one ear is unable to respond to the test, the other ear can still be stimulated by the bone conduction test (via conducting sound through skull bones to the opposite ear), causing the ...