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What is Dysfunction of tympanic membrane is characterized by all except - and explain in detail?
Retracted Tympanic Bembrane
It is the result of negative intratympanic pressure when Eustachian tube is blocked
Characteristics

It appears dull and lusterlessQ
Cone of light is absent or interruptedQ
Handel of malleus appears foreshortened Q
Lateral process of malleus becomes more prominent Q
Anterior and posterior malleal folds become sickle shaped Q
It is immobile or has limited mobility when tested with pneumatic otoscope or siegle’s speculum.

Features of Normal Tympanic Membrane

It is shiny and pearly grey in colour
Has concavity on its lateral surface
Cone of light seen in antero – inferior quadrant
It’s transparency varies
It is mobile when tested with pneumatic otoscope or siegle’s speculum.