Patient

Otoscopy

Audiometry

Air-Bone Gap

Tympanometry

Acoustic Reflexes

VEMP

CT

1

normal

Pseudo-conductive hearing loss

20db

type A

present

increased amplitude

dehiscence

2

normal

Pseudo-conductive hearing loss

30db

type A

present

increased amplitude

dehiscence

3

normal

Pseudo-conductive hearing loss

20db

type A

present

increased amplitude

dehiscence