Table Of Contents - Interacoustics AT235 Additional Information

Table of contents

1 AT235 Tympanometry Module ........................................................................................................ 1
1.1 About the AT235 Tympanometry Module ........................................................................... 1
1.2 Preparing for the Test ......................................................................................................... 1
1.2.1
1.2.2
1.2.1
2 General Operation of the AT235 Tympano-metry Module .............................................................. 3
2.1 Tympanometry .................................................................................................................... 3
2.2 Reflex .................................................................................................................................. 5
2.3 Reflex Decay ....................................................................................................................... 7
2.4 Reflex Latency .................................................................................................................... 8
2.5 Eustachian Tube Function - Non-perforated Eardrum ....................................................... 9
2.6 Eustachian Tube Function - Perforated Eardrum ............................................................ 11
2.7 Eustachian Tube Function - Patulous Eustachian Tube .................................................. 12
3 The Setup Menu ............................................................................................................................ 13
3.1 Common settings - IMP.................................................................................................... 13
3.2 Protocol Settings ............................................................................................................... 14
3.2.1
3.2.2
3.2.3
3.2.4
3.3 Eustachian Tube Function - Non-Perforated Eardrum .................................................... 24
3.4 Eustachian Tube Function - Perforated Eardrum ............................................................ 26
3.5 Eustachian Tube Function - Patulous Eustachian Tube .................................................. 27
3.6 Pause ................................................................................................................................ 28
3.7 Manage Protocol Settings ................................................................................................. 29
3.8 Instrument Settings ........................................................................................................... 30
4 AT235 Audiometry Module ............................................................................................................ 33
4.1 About the AT235 Audiometry Module ............................................................................... 33
5 General Operation of the AT235 Tympano-metry Module ............................................................ 35
5.1 Tone Test .......................................................................................................................... 35
5.2 Auto Test: Hughson-Westlake .......................................................................................... 36
6 The Setup Menu ............................................................................................................................ 37
6.1 Common Settings - AUD................................................................................................... 37
6.2 Tone Settings .................................................................................................................... 38
6.3 Auto Settings ..................................................................................................................... 39
7 Quick Guides ................................................................................................................................. 41
7.1 Selecting the Correct Ear Tip ............................................................................................ 41
Tympanometry patient instruction .......................................................................... 1
Visual inspection of the ear canal .......................................................................... 1
Placement of the contralateral phones .................................................................. 2
Tymp settings ....................................................................................................... 15
Reflex settings ...................................................................................................... 17
Reflex decay ........................................................................................................ 20
Reflex latency ....................................................................................................... 22