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  2. Conductive hearing loss - Wikipedia

    en.wikipedia.org/wiki/Conductive_hearing_loss

    Conductive hearing loss (CHL) occurs when there is a problem transferring sound waves anywhere along the pathway through the outer ear, tympanic membrane (eardrum), or middle ear . If a conductive hearing loss occurs in conjunction with a sensorineural hearing loss, it is referred to as a mixed hearing loss.

  3. Sensorineural hearing loss - Wikipedia

    en.wikipedia.org/wiki/Sensorineural_hearing_loss

    PTA can be used to differentiate between conductive hearing loss, sensorineural hearing loss and mixed hearing loss. A hearing loss can be described by its degree i.e. mild, moderate, severe or profound, or by its shape i.e. high frequency or sloping, low frequency or rising, notched, U-shaped or 'cookie-bite', peaked or flat.

  4. Nonsyndromic deafness - Wikipedia

    en.wikipedia.org/wiki/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 to this condition.

  5. Hearing loss with craniofacial syndromes - Wikipedia

    en.wikipedia.org/wiki/Hearing_loss_with...

    A conductive hearing loss along with middle ear disease is most commonly seen in patients with Pfeiffer syndrome; although, there have been reports of mixed hearing loss as well. The hearing loss is most typically caused by stenosis or atresia of the auditory canal, middle ear hypoplasia and ossicular hypoplasia (Vallino-Napoli, 1996).

  6. Conductive deafness-ptosis-skeletal anomalies syndrome

    en.wikipedia.org/wiki/Conductive_deafness-ptosis...

    Conductive deafness-ptosis-skeletal anomalies syndrome, also known as Jackson Barr syndrome, [1] is a rare presumably autosomal recessive genetic disorder characterized by conductive hearing loss associated with external auditory canal-middle ear atresia which aggravates during ear infections, ptosis, and skeletal anomalies which consist of clinodactyly of the fifth fingers, radial head ...

  7. Hearing - Wikipedia

    en.wikipedia.org/wiki/Hearing

    There are several different types of hearing loss: conductive hearing loss, sensorineural hearing loss and mixed types. Recently, the term of Aural Diversity has come into greater use, to communicate hearing loss and differences in a less negatively-associated term. There are defined degrees of hearing loss: [10] [11]

  8. Bone conduction - Wikipedia

    en.wikipedia.org/wiki/Bone_conduction

    One example of a specialized communication product is a bone conduction speaker that is used by scuba divers. The device is a rubber over-moulded, piezoelectric flexing disc that is approximately 40 millimetres (1.6 in) across and 6 millimetres (0.24 in) thick.

  9. Thickened earlobes-conductive deafness syndrome - Wikipedia

    en.wikipedia.org/wiki/Thickened_earlobes...

    Thickened earlobes-conductive deafness syndrome, also known as Escher-Hirt syndrome, or Schweitzer Kemink Graham syndrome, [1] is a rare genetic disorder which is characterized by ear and jaw abnormalities associated with progressive hearing loss. [2] Two families worldwide have been described with the disorder. [3]