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Published on : Mar 14, 2014
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Slide 1 - ppt slide no 1 content not found
Slide 2 - Over 36 million Americans Suffer from Hearing Loss! That is over 4 times the amount of people living in New York City! Over 21 million are between the ages of 18 and 64.
Slide 3 - Over 5 million American children and young adults under the age of 18 suffer from Noise-Induced Hearing Loss.
Slide 4 - “As a member of this profession (medical), a physician must recognize responsibility to patients first and foremost…” AMA Principles of Medical Ethics (2001)
Slide 5 - Signs of Hearing Loss: Patient regularly asks to have things repeated. Patient has significantly better hearing in one ear compared to the other. Patient (infant) has failed the Newborn Hearing Screening test. Patient has been prescribed or exposed to ototoxic medications. When to Refer to an Audiologist If you, the patient, or the patient’s family member notice any of the following signs, refer him or her to a local audiologist for a diagnostic hearing evaluation.
Slide 6 - Hearing Loss: In General Terms The most common forms of hearing loss result from damaged or broken hair cells in the cochlea. Once the hair cells are damaged or broken, there is no treatment or surgery to repair them. Hearing aids can improve audibility but will not restore hearing to what it once was. From David J. Lim. Functional Structure of the Organ of Corti: A Review. Hearing Research, 22 (1986) 117-146 Elsevier
Slide 7 - Symptoms that Indicate a Larger Audiological Problem A Sudden Hearing Loss in one or both ears Acute or chronic Vertigo, Dizziness, or Imbalance A Ringing or Buzzing in the Ears :Tinnitus A Fullness or Pressure in the Ears A Speech/Language Delay in children
Slide 8 - Sudden Hearing Loss Sudden Sensorineural Hearing Loss (SSNHL) will typically happen to a patient in one ear over a period of one to several days (can also affect both ears). Patient may report: A feeling of fullness in the affected ear. A ringing, roaring, or buzzing tinnitus in the affected ear. A feeling of dizziness or vertigo. An upper respiratory infection prior to the hearing loss. Diagnosis of SSNHL can only be made after a full hearing test is performed and an asymmetric hearing loss is confirmed.
Slide 9 - Sudden Hearing Loss After an audiologist has diagnosed the patient with SSNHL, an otolaryngologist may order an MRI to rule out a vestibular schwannoma (acoustic neuroma). SSNHL treated with steroids within the first 2 weeks of the symptoms provides a patient with the best chance that some of the hearing may return.
Slide 10 - Vertigo, Dizziness, or Imbalance Vertigo, dizziness, and imbalance in patients can be symptoms of an inner ear problem. Audiologists can perform assessments on the balance system with the following tests: Electronystamography (ENG) Videonystagmography (VNG) Rotary Chair Auditory Brainstem Response (ABR) Posturography Vestibular Evoked Myogenic Potentials (VEMP) Electrocochleography (ECOG)
Slide 11 - Vertigo, Dizziness, or Imbalance 50% of dizziness reports are the result of an inner ear disorder called benign paroxysmal positional vertigo (BPPV).   BPPV is caused by dislodged otoconia in the vestibular ducts. An audiologist can observe the BPPV during a maneuver called the Dix-Hallpike test. After BPPV has been diagnosed, an audiologist can help the patient by performing the canalith repositioning maneuver or the Epley maneuver to move the otocionia back into place.
Slide 12 - Vertigo, Dizziness, or Imbalance Dizziness reported with tinnitus, ear pressure, and decreased hearing may, indicate an inner ear condition such as: Labrynthitis Meniere’s Disease Cochlear Hydrops A permanent peripheral vestibular disorder that interrupts the patient’s daily function may be improved by vestibular therapy performed by an audiologist.
Slide 13 - Ringing or Buzzing in Ears: Tinnitus Tinnitus represents one of the most elusive conditions facing audiologists and other hearing health-care professionals. It refers to an auditory perception of sound not produced by an external source. As many as 50 million adults experience tinnitus. More than 10 million are seeking help for the condition.
Slide 14 - Ringing or Buzzing in Ears: Tinnitus Tinnitus, like pain, is subjective. Two individuals experiencing tinnitus may report similar characteristics, yet be affected in significantly different ways. Many tinnitus sufferers report: Interference with sleep Interference with concentration Interference with attention to detail Depression and anxiety An inability to tolerate moderate levels of noise (hyperacusis)
Slide 15 - Ringing or Buzzing in Ears: Tinnitus The exact mechanism underlying tinnitus is unknown. It is likely that there are many mechanisms; however, some of the potential causes are: Disorders in the outer ear Disorders in the middle ear Disorders in the inner ear Temporary effects from high dosages of medications such as anti-inflammatories, certain sedatives, and antidepressants Possible permanent effect from certain antibiotics and chemotherapeutic agents Systemic disorders Trauma to the head or neck, cervical problems, and temporomandibular misalignment.
Slide 16 - Ringing or Buzzing in Ears: Tinnitus While there is no cure for most forms of tinnitus, a variety of management approaches exist.   An audiologist can help you and your patient with the following management approaches: Hearing Aids Masking If your patient reports a gradual increase of the tinnitus in one ear, it could be a sign of hearing loss in that ear. The patient should be referred to an audiologist.
Slide 17 - Feeling of Fullness or Pressure in the Ears Some common causes of this in patients are: Eustachian tube dysfunction (ETD) If associated with dizziness, it could be caused by pressure from the inner ear fluid (perilymph fistula). If associated with temporary mild to moderate hearing loss, it could be caused by an acute or chronic middle ear condition. An audiologist can diagnose the patient and recommend apporopriate treatment after a full hearing and Eustachian tube evaluation.
Slide 18 - Speech/Language Delay Hearing loss in infants is a hidden disability. It is important to note missed developmental milestones and refer for audiological evaluation if any delay is suspected.  All infants who failed or missed their newborn hearing screening should be referred immediately to an audiologist for full evaluation. An infant with normal hearing should be able to do the following: 2 months: Startle to loud sounds, quiet to familiar voices, and make vowel sounds similar to “ohh.” 4 months: Look for sound sources, squeal and chuckle, and begin to babble. 9 months: Imitate speech sounds of others, understand “no-no” or “bye-bye”, and turn head toward soft sounds. 12 months: Correctly use “ma-ma” or “da-da”, give toys when asked, and responds to singing or music.
Slide 19 - The following Web site is available as a consumer resource for your