What should a clinician consider when prepping a patient for evoked potentials?
Answer
When prepping for any evoked potential, a critical element to look at is the testing environment. Frequently, issues are related to noise with an evoked potential. Here are some tips to help you cut back on the amount of noise:
The preamp should not be near the isolation transformer, monitor, etc.
Turn off unnecessary computer monitors.
Do not have the preamp in front of the monitor.
If possible use a designated outlet.
If the patient is in a chair that plugs in – unplug it.
Assure wall outlet is grounded.
Do not use cellular phones during testing.
Turn off fluorescent light(s).
Do not have the dimmer switch set in the middle position.
Kathleen Hill, Au.D., is the Director of Commercial and Education Development at Otometrics. She is responsible for overseeing the education and training program for Otometrics employees, distributors and business partners.
Dr. Hill joined Otometrics from Advocate Illinois Masonic Medical Center in Chicago, where she worked as an audiologist. Prior to that, she was the audiology manager at Children’s Memorial Hospital (now the Ann & Robert H. Lurie Children’s Hospital), also in Chicago. Dr. Hill relocated to Chicago from St. Louis, where she was the audiology supervisor at Cardinal Glennon Children’s Hospital. She has been a program professor at Nova Southeastern University in Fort Lauderdale, Florida; she has also been in private practice.
Dr. Hill earned her bachelor of science degree in communication disorders/deaf education from the Texas Woman’s University and her doctor of audiology degree from Central Michigan University.
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