HEARING TESTING

Types of Hearing Aid Types in Ahmedabad

Human Hearing

Asian Speech For Hearing Aids Dealers In Ahmedabad, Hearing Aids Dealers In Gujarat.Most humans hear sounds in the range of 20 to 20,000 Hz. Sensitivity vary as a function of frequency, with sounds in the middle frequencies being heard well.


HEARING/AUDIOLOGICAL TESTINGS

PURE TONE AUDIOMETRY / AUDIOGRAM

  • Degree of hearing loss (How much problem).
  • Types of hearing loss (Where is the problem).
  • To Rule out Retrocochlear and Cochlear pathology.

IMPEDENCE AUDIOMETRY (Interaacoustic, Zarmany)

  • To rule out middle ear pathology.
  • To rule out cochlear sensitivity loss or VIII nerve disorder.
  • Ipsilateral VII nerve lesion.
  • Evoked stapedius reflex test for cochlear implant.

SPEECH AUDIOMETRY

Provides information about hearing handicap. Problem maybe worse than indicated by pure tone average (PTA) for the speech frequencies.

  • Useful to determine candidacy for hearing aid.
  • A very poor result, out of proportion to PTA, suggests probable retrocochlear cause of hearing loss.
  • SRT
  • SDT (PBmax100)
  • SAT
  • UCL

Behavioral Observation Audiometry (BOA)

  • For small children.

Conditioning Audiometry

  • To know aided response.(With hearing aid and cochlear implant)
  • For smaller children.

Oto Acoustic Emission (OAE) - (Biologic Company, USA)

  • To rule out hearing loss in newborn.
  • To rule out inner ear pathology.

Brainstem Evoked Response Potential (BERA) - (Biologic Company, USA)

  • To know site of lesion.
  • Fully automatic & computerized test.
  • Threshold estimation

Multiple Auditory Steady-State Response (ASSR) - (Biologic Company, USA)

  • Objective Audiometry.
  • Fully automatic and computerized

Electrocochleorgraphy (ECochG) - (Biologic Company, USA)

  • Diagnosis of Meniere's disease.
  • Differential diagnosis.

Objective and subjective fitting of all companies of digital hearing aid- (Swiss & USA combine technology)

  • Objective fitting gives accurate fitting in children as per earcanal length.
  • It care overamplification and prevents further damage due to overamplification.

Mapping & Telemetry:

  • Mapping & Telemetry available for all three companies of Cochlear implants.

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