Ask The Experts
Q&A from the most trusted names in audiology.
Up/Down Beating Nystagmus
October 28, 2002
Can you please address the following four issues relating to up/down nystagmus? 1- Is up beating nystagmus only seen in the up or down gaze test? 2- Is down beating nystagmus only seen on lateral gaze... Read More
Vestibular Issues and Balance Disorders
Lateral (Horizontal) Canal BPPV
October 28, 2002
I've been performing Semont and Epley procedures for 10 years with great success and I have a strong understanding of the differences between canal vs. cupulolithiasis. However, when a person has hori... Read More
Vestibular Issues and Balance Disorders Practice Management and Professional Issues
Normative Data for Tone Burst ABR
October 21, 2002
Is it necessary to obtain normative data with your ABR system for tone bursts prior to evaluating tone burst responses from your patients? If so, how many samples are considered sufficient? Read More
Coding for Sinusoidal Vertical Axis Rotational Testing
October 21, 2002
I am reading conflicting information regarding CPT code 92546, Sinusoidal Vertical Axis Rotational testing. I have read that audiologists may only bill 1x for this test, although other sources say 3x... Read More
OAE Stimulus Intensity
October 14, 2002
What is the highest SPL that you should use if you're trying to record valid OAEs? Read More
Otoacoustic Emissions
Digital Hearing Aids for Children
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October 14, 2002
Why should I consider DIGITAL hearing aids for children with severe to profound hearing loss? Read More
Hearing Aids - Children Pediatrics
Connection between tinnitus and wisdom teeth?
October 7, 2002
Years ago I read that tinnitus can be caused when wisdom teeth are not being pulled. The teeth put pressure on nerves, and this causes the tinnitus. I've been told my wisdom teeth are severely impacte... Read More
Tinnitus and Hyperacusis
Central Auditory Processing Disorders in Adults
October 7, 2002
A fair amount of research has been published on CAPD in children. Where can I find more information about CAPD in adults, specifically on CAPD phonologic dyslexia? Read More
Central Auditory Processing Disorder (CAPD)
Normal Hearing Variants
September 30, 2002
I often see a configuration of hearing of approximately 15 or 20 dB HL flat from 250-2000Hz and up sloping from 4000Hz to -5dB at 8000Hz in older children or adolescents. Bone conduction is in agreeme... Read More
Hearing Evaluation - Children Pediatrics
ECoG Evaluation Criteria
September 30, 2002
What SP/AP ratio percentages or parameters are most often used to differentiate between normal and abnormal ECoG tracings? Does this criteria change depending upon the type of electrode used, specific... Read More
Electrophysiology
Mis-Match Negativity (MMN) in Tinnitus
September 23, 2002
Can we use MMN in evaluation of tinnitus patients before and after retraining therapy? Read More
Tinnitus and Hyperacusis Electrophysiology
Hearing Aid Battery Testers
September 23, 2002
Is it true that the battery testers are not accurate for testing zinc-air batteries? Read More
Transcranial CROS Update
September 16, 2002
Approximately 10 years ago there was quite a buzz about transcranial CROS hearing aid fittings. I haven't seen anything recently about this fitting. Do you have anything new regarding this type of fit... Read More
Hearing Aids - Adults
CAP Tests Available to Test an 8 Year Old
September 16, 2002
What CAP tests are available to test an 8 year old with an asymmetric bilateral hearing loss? Are these available CAP tests normed on the hearing impaired? Read More
Central Auditory Processing Disorder (CAPD)
DSL Method for Selection and Fitting Infants and Children
September 9, 2002
Is the DSL fitting strategy still the preferred strategy for fitting children? Read More
Hearing Aids - Children Pediatrics
AIDS and Hearing
September 9, 2002
What is the effect of AIDS on hearing? Read More
Medical and Surgical
Medicare reimbursing for an audiological evaluation
September 2, 2002
I work in an ENT practice in North Carolina and I have had some claims rejected by Medicare. For example.... An established patient came in for an annual hearing evaluation and to discuss hearing aid... Read More
Practice Management and Professional Issues
Fitting Rules and Hearing Aids
September 2, 2002
Regarding the multiplicity of fitting rules available for digital (and even non-digital) instruments, how do I choose a particular fitting rationale? Read More
Hearing Aids - Adults
Differentiating between ADD, ADHD, and APD
August 26, 2002
My son is 11 years old and has a hard time in school. His doctor has mentioned ADD. How do I tell the difference between ADD, ADHD and APD? Are there medicines that can help? Read More
Hearing Evaluation - Children Central Auditory Processing Disorder (CAPD) Pediatrics
Cochlear Implants and Reports of Associated Health Risks
August 26, 2002
Please address the issue of cochlear implants and recent reports of associated health risks. Read More
Cochlear Implants
