9 Testing with Zodiac Diagnostic or Clinical - Stand-Alone
55
MADSEN Zodiac
Note
•
To avoid automatic testing being interrupted because of high stimulus intensity levels when reaching the
warning limits, it is recommended that you set the max. intensity to 100 dB HL.
Note
•
You will be warned about a high stimulus intensity level if you
reach the warning limit.
Preparing for testing
1.
Do as described in
Preparing for testing 32
.
2.
Inform the patient about the high stimulus levels in the test.
3.
Ask the patient to sit very still and quiet during the test, without moving head or jaw.
4.
If contralateral stimulation is used in the test, make sure that both the ipsilateral probe and the contralateral phone
are in place before you start the measurement.
5.
If needed, toggle the
Ear Selector
to select the ear on which you wish to start the test.
Testing
Starting the test
6.
Press either the
Ipsi
reflex or the
Contra
reflex button.
7.
Select the frequency that you wish to test press the applicable
Frequency
button.
8.
Use the dial to set the desired stimulus level.
9.
Prepare the patient for the high sound levels in the test.
10.
Ask the patient to sit very still and quiet during the test, without moving
head or jaw.
11.
Press the
Start/Stop
button to present a single stimulus.
12.
The probe lights up in green, and the screen shows a green frame around
the deflection graph to indicate that the test has started.
13.
If needed, you can offset the pressure to stabilize your measurements:
Press and hold the
±P
(pressure offset) button and use the dial to set the
desired pressure.
14.
If needed, repeat these steps until you have collected the desired
measurements.
Caution
•
If the patient shows discomfort during the test, stop the
test. The test will stop immediately. Already measured results are
stored.
Note
•
It is recommended that you perform a tympanometric test before making any acoustic reflex measurement
and determine the acoustic reflex threshold before making a reflex decay measurement.
