Item No. 8105088 – 12/2013 Page 1 of 7
Quick Guide – Adult REM
The purpose of this document is to provide a quick guide for the REM procedure stated by the British Society of
Audiology (BSA) for the REM440 Real-Ear Measurement module in the Affinity
2
and Callisto™ Suites. This
Quick Guide will focus on the method and order of the REM measurements specified by this guideline.
Introduction
The BSA Clinical Practice Guidelines recommend using the NAL-NL1/NAL-NL2 fitting formulae when
performing Adult hearing aid verification. The choice between the use of the REIG (insertion gain) or the REAR
(aided response) is at the audiologists’ discretion as both methods are accepted verification methods. This
Quick Guide assumes that the hearing aid has been programmed accordingly based on patients’ needs and
hearing loss.
Preperation
1. Enter/Select an audiogram from Noah or from the AUD module. If no audiogram is entered or selected,
no targets will be displayed.
2. Connect probe tubes to the REM reference microphones.
3. Click on the Tube Calibration button and follow the instructions on the screen, this process ensures
that the probe tube is made acoustically invisible – enabling an effective display of the actual gain achieved
at the tympanic membrane by the hearing aid.
4. Position the patient approximately 0.5 metres from the REM loudspeaker.
5. Perform otoscopy to ensure the ear canal is clear.
6. Snap the REM headsets on the REM headband and place on patient’s ear.
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