Tympanic Membrane and Hearing Aid Fitting III

Two previous blogs related to the behind-the-scene interaction of the tympanic membrane  (TM) to the hearing aid fitting process focused on basic anatomy, especially that related to ear canal length (Part I), and to a better visualization of the TM orientation compared to general artistic renderings (Part II). Part III will draw these issues together…

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eardrum rupture

Eardrum Rupture – At What Pressure?

Ruptured eardrums are not uncommon, but when they occur, they are traumatic to the person involved.  However, there seems to be little knowledge among professionals working with the hearing impaired as to the actual pressure levels required to rupture the eardrum (tympanic membrane) even though they know that this can happen. There are many causes…

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