CHAPTER NINE
TEOAE test
80
Ringing
is displayed when there is obvious oscillation within the
Stimulus
Waveform
after the initial positive and negative peaks instead of a flat line
response.
The table below describes the highlighted message which will appear if
more than one condition is met.
When
Checkfit OK
is present on screen indicating conditions are suitable
for testing, select
Start
to begin a test or
Cancel
at any point in
Checkfit
to
return to
Patient Details
.
Stim out of Range
will appear if
Start
is selected when the stimulus is
outside the accepted range. It is advisable to select
Back
to return to
Checkfit
and readjust. Select
Continue
to test with the current stimulus
level.
Additional checks on testing conditions are the stimulus (
S
) and noise (
N
)
LEDs above the screen. Both LEDs are lit in ideal testing conditions.
Consistent
Stimulus Out Stimulus
Highlighted
High Noise
of Range
Ringing
Message
No
No
No
Checkfit OK
No
No
Yes
Ringing
No
Yes
No
Check Probe Fit
No
Yes
Yes
Check Probe Fit
Yes
No No Noisy
Yes
No
Yes
Ringing
Yes
Yes
No
Check Probe Fit
Yes
Yes
Yes
Check Probe Fit
TEOAE test
Summary of Contents for Otoport Advance
Page 296: ...CHAPTER THIRTY TWO Index 296...