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38 Possible Causes for Deafness Affects All Frequencies

  • Congenital Deafness

    […] individuals become profoundly deaf across all frequencies by the fourth decade of life 57 .[] […] loss; individuals from a single large Costa-Rican family with mutations at the DFNA1 locus have a rapidly progressive, fully penetrant form of hearing impairment in which affected[]

  • Familial Infantile Myoclonic Epilepsy

    Initially affecting the high frequencies, the hearing loss eventually affects all frequencies and results in severe to profound deafness in the seventh decade.[] all frequencies.[] Deafness, autosomal recessive, 86 (DFNB86) [MIM:614617]: A form of non-syndromic deafness characterized by prelingual onset of profound sensorineural hearing loss affecting[]

  • Sudden Hearing Loss

    Clinically, according to pure-tone audiometry, SSHL can either affect only the low, the high, or the medium frequencies, or it can affect all frequencies (pancochlear) with[] […] varying degrees up to deafness.[]

  • Fabry Disease

    All cases of deafness were sensorineural hearing losses. No conductive or mixed hearing loss was observed.[] Table 2 gives the mean air conduction thresholds and PTAs of all ears (n 44 ears), and their corresponding standard deviations (SD) versus the age of the affected subjects[] Mean thresholds were within normal ranges for young patients (below 30 years old), and frequencies below 8 kHz, but increased with age and ranged from mild to severe in higher[]

  • Wolfram Syndrome

    DFNA6 hearing loss is unlike most forms of nonsyndromic deafness that affect high tones (high-frequency sounds), such as birds chirping, or all frequencies of sound.[] Individuals with DFNA6 deafness cannot hear low tones (low-frequency sounds), such as a tuba or the "m" in moon.[]

  • Bjornstad Syndrome

    Mildly affected individuals may be unable to hear sounds at certain frequencies, while severely affected individuals may not be able to hear at all.[] The hearing loss, which is caused by changes in the inner ear (sensorineural deafness), can range from mild to severe.[]

  • Sensorineural Hearing Loss

    frequencies are affected.[] If pancochlear hearing loss is present and so severe that the patient can no longer understand speech, then the patient is said to be deaf in the affected ear.[] […] be further characterized as high-, low-, or intermediate-frequency hearing loss, if a particular range of frequencies is affected, or else as pancochlear hearing loss if all[]

  • Autosomal Recessive Deafness 24

    Autosomal dominant nonsyndromic hearing loss (DFNA65), also caused by a TBC1D24 mutation, is characterized by slowly progressive deafness affecting initially the high frequencies[] Genotype The mutations causing these different phenotypes are all different. Some of the mutations are shown in the image above.[]

  • Autosomal Recessive Deafness 22

    304590), the latter is non-progressive, whereas the variant described here is progressive, evolving to affect all frequencies in adulthood.[] In affected males, the auditory impairment is first detected at school age, affecting mainly the high frequencies.[] Thirdly, although the audiograms of patients in the early stages may resemble those reported by Wellesley and Goldblatt ( 13 ) (high-frequency sensorineural deafness, MIM[]

  • Autosomal Dominant Deafness 33

    […] and progressive ADNSSHI affecting all frequencies.[] Postlingual inherited deafness is usually moderate to severe and progressive, and it often affects a particular range of frequencies. 3 Hereditary deafness has proved extremely[] […] genetic and environmental factors. 2 In contrast, childhood or adolescent hearing loss is often inherited as an autosomal dominant Mendelian trait, representing about 20% of all[]

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