Term
| Normal hearing in one ear & SNHL with poor word recognition scores (WRS) in the other ear, unaidable hearing in opposite ear, or the inability to tolerate amplified sound |
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Definition
| Single-Sided Deafness (SSD); also known as unilateral SNHL (USNHL) |
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Term
| What is the main treatment goal for SSD? |
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Definition
| eliminate the head shadow effect (i.e. HSE attenuates level of higher frequencies at the far ear) |
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Term
Incidence of SSD:
-___ million have hearing loss
-___% of those with hearing loss have SNHL
-Most with SNHL have SNHL ___
-About ___ new cases of SSD occur annually (US) |
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Definition
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Term
| What are some causes of SSD? |
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Definition
| -Sudden SNHL, Idiopathic SNHL, Neoplasms, Vestibular schwannoma, Demyelinating diseases (i.e. MS), Acoustic trauma, head injury, perilymphatic fistula, labyrinthitis, ototoxicity, and autoimmune diseases |
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Term
Typical Complaints:
-Hearing in ___, regardless of where the noise originates
-___
-Recognizing speech originating on the side of the ___ ear in quiet & noise
-Recognizing speech from a ___ |
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Definition
| noise; Localizing; poorer; distance |
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Term
Candidacy:
-Audiogram: use best AC responses in the ___ ear for AC devices
-Audiogram: use best BC responses in the ___ ear for BC devices
-For BC devices: PTA of <__ dB HL PTA @ 500, 1000, 2000, & 3000 Hz by AC in the better hearing ear |
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Definition
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Term
| What kind of test can you do with a CROS/BICROS to help determine if aided sounds are audible? |
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Definition
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Term
Speech-in-Noise Measures:
-Speech @ 45 or 90 degrees to the side of the ___ ear
-Noise at 45 or 90 degrees to the side of the ___ ear
-Use average (___ dB SPL), soft (__ dB SPL), & loud (___ dB SPL) speech |
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Definition
| poorer; better; 65; 50; 80 |
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