October 21st, 2015

There are three types of hearing loss. Conductive loss is a disorder of the outer or middle ear, sensorineural loss is a disorder of the inner ear and mixed loss is a combination of both.

October 21st-Types of HL

What can cause conductive hearing loss?

  • Malformation of outer ear, ear canal, or middle ear structures
  • Fluid in the middle ear from colds
  • Ear infection (otitis media – an infection of the middle ear in which an accumulation of fluid may interfere with the movement of the eardrum and ossicles
  • Allergies
  • Poor Eustachian tube function
  • Perforated eardrum
  • Benign tumors
  • Impacted earwax
  • Infection in the ear canal
  • Foreign body in the ear
  • Otosclerosis

What can cause sensorineural hearing loss?

  • Exposure to loud noise
  • Head trauma
  • Virus or disease
  • Autoimmune inner ear disease
  • Hearing loss that runs in the family
  • Aging (presbycusis)
  • Malformation of the inner ear
  • Meniere’s Disease
  • Otosclerosis – a hereditary disorder in which a bony growth forms around a small bone in the middle ear, preventing it from vibrating when stimulated by sound.
  • Tumors

 

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