Flat and dome-shaped graph in tympanogram is found in:
ExplanationD. Middle ear fluid
● Flat (or dome-shaped) tympanogram is type B curve of tympanogram which is seen in case of fluid in middle ear.
● Fluid (i.e. pus) is seen in case of ASOM and sterile non purulent effusion is seen in case of serous otitis media. So, in both these
conditions flat tympanogram/type B tympanogram will be seen.
