aud733 tinnitus overview
TRANSCRIPT
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Two Types of Two Types of TinnitusTinnitusSubjective TinnitusSubjective Tinnitus
Objective TinnitusObjective Tinnitus
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Two Types of Two Types of TinnitusTinnitusSubjective TinnitusSubjective Tinnitus
The experience of sound not originating from a source outside the body.
Needs to be differentiated from internally-generated somatosounds and from objective tinnitus
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What are What are Somatosounds?Somatosounds?Sounds that are internally-generated in the
body or head and perceived by the patient
Pulsatile: caused by perception of bloodflow can be rhythmic with heartbeat
Ex: venous hum or vascular noise
Pulsatile and non-pulsatilePulsatile and non-pulsatile
Non-pulsatile: Ex: patulous eustachian tube, tensor tympani
muscle spasms, TMJ
Somatosounds can be objective or subjective
Somatosounds require medical evaluation
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Two Types of Two Types of TinnitusTinnitusSubjective TinnitusSubjective Tinnitus
The experience of sound not originating from a source outside the body
Needs to be differentiated from internally-generated somatosounds and from objective tinnitus
Objective TinnitusObjective Tinnitus
Also known as - “audible” tinnitus
The person’s tinnitus can be heard by others (infant)
Relatively rare
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Two Levels of Two Levels of TinnitusTinnitusAcute TinnitusAcute Tinnitus
Chronic TinnitusChronic Tinnitus
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Two Levels of Two Levels of TinnitusTinnitusAcute Tinnitus
• Lasts days or weeks
• With appropriate evaluation, many underlying conditions can usually be identified and treated -sometimes resulting in resolution of tinnitus
Chronic Tinnitus• Persistent for 6 months or more
• Today there is no true CURE for tinnitus - there are effective tinnitus management programs available that helps patients get relief from tinnitus
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Causes of TinnitusCauses of Tinnitus
according to the Oregon Tinnitus Data Registry (2000)
1- No known etiology or event (~ 40%)
2- Noise related
• Noise of long duration
• Explosion
• Noise of brief intensity
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Causes of TinnitusCauses of Tinnitus
according to the Oregon Tinnitus Data Registry (2000)
1- No known etiology or event (~ 40%)
2- Noise related
3- Head and neck trauma
• Head injury• Cervical trauma or whiplash• Skull fracture• Concussion
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Causes of TinnitusCauses of Tinnitus
according to the Oregon Tinnitus Data Registry (2000)
1- No known etiology or event (~ 40%)
2- Noise related
3- Head and neck trauma
4- Head and neck illness
• Sinus infection
• Ear infection or inflammation
• Other ear problems
• Sudden hearing loss
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Causes of TinnitusCauses of Tinnitus
according to the Oregon Tinnitus Data Registry (2000)
1- No known etiology or event (~ 40%)
2- Noise related
3- Head and neck trauma
4- Head and neck illness
5- Other medical conditions• Medications, drugs• Surgery• Barotrauma
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Factors That Exacerbate Factors That Exacerbate TinnitusTinnitus Caffeine
AlcoholSodiumFatigue
Stress (excercise)
Noise exposure
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Characteristics of Characteristics of TinnitusTinnitus
according to the Oregon Tinnitus Data Registry (2000)
• Sudden or gradual onset
• Variety of sounds reported
• Constant or intermittent
• Vary in pitch, loudness and quality
• Perceived in one ear, both ears or in the head
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Whom Does Tinnitus Whom Does Tinnitus Impact?Impact?
Patient
• Spouse / partner
• Family members
• Friends
• Colleagues / co-workers
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Symptoms Associated with Symptoms Associated with TinnitusTinnitus
Confusion
Fear
Isolated
Stress
Fatigue
Inattentive
Anxiety
DEPRESSION
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Individuals With Tinnitus Individuals With Tinnitus Have Lost TheirHave Lost Their
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Needs of the Tinnitus Needs of the Tinnitus PatientPatient
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The Tinnitus Patient Should The Tinnitus Patient Should See?See?
Audiologist
Otolaryngologist
Neurologist
Psychologist
PsychiatristNutrionistTMJ SpecialistBiofeedback Specialist
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Audiologist’s RoleAudiologist’s Role
• Complete History
• Comprehensive Audiological Evaluation
Pure tone AC/BCHigh frequency: 9KHz – 20KHz (ideally)SRT / SDSMost Comfortable Loudness Level (MCL)
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Audiologist’s RoleAudiologist’s Role
• Complete History
• Comprehensive Audiological Evaluation
Pure tone AC/BCHigh frequency: 9KHz – 20KHz (ideally)SRT / SDSMost Comfortable Loudness Level (MCL)Loudness discomfort levels (LDL)*
• 5dB increments – no hyperacusis reported• 2dB increments – hyperacusis reported• repeat twice
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Audiologist’s RoleAudiologist’s Role
• Complete History
• Comprehensive Audiological Evaluation
Pure tone AC/BCHigh frequency: 9KHz – 20KHz (ideally)SRT / SDSMost Comfortable Loudness Level (MCL)Loudness discomfort levels (LDL)*Immitance testing
TympanometryAcoustic reflex thresholds**Acoustic reflex decay**
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Audiologist’s RoleAudiologist’s Role
• Complete History
• Comprehensive Audiological Evaluation
Pure tone AC/BCHigh frequency: 9KHz – 20KHz (ideally)SRT / SDSMost Comfortable Loudness Level (MCL)Loudness discomfort levels (LDL)*Immitance testingOtoacoustic emissions – distortion product (DPOAE)
Invaluable tool in counseling session
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Audiologist’s RoleAudiologist’s Role
• Complete History
• Comprehensive Audiological Evaluation
Pure tone AC/BCHigh frequency: 9KHz – 20KHz (ideally)SRT / SDSMost Comfortable Loudness Level (MCL)Loudness discomfort levels (LDL)*Immitance testingOtoacoustic emissions – distortion product (DPOAE)ABR – if necessary
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Audiologist’s RoleAudiologist’s Role
• Complete History
• Comprehensive Audiological Evaluation
• Tinnitus Assessment
Pitch matchLoudness matchMinimum masking level (MML)