When atmospheric pressure rises or falls without change in the middle ear, the tympanic membrane cannot vibrate normally. This can result in temporary hearing problems and ear discomfort. 2 Typical ...

Test batteries of the AT235 include standard tympanometry, ispsilateral and contralateral acoustic reflex and reflex decay, Eustachian tube function test (Williams test), and air conduction audiometry ...

The eustachian tube runs between the throat and middle ear to maintain pressure in the eardrum. In some cases, people have a patulous eustachian tube, which does not open and close as normal. This ...

Infections and blockages can disrupt the eustachian tubes, leading to discomfort and hearing problems. Any of these symptoms can count as eustachian tube dysfunction (ETD). The eustachian tube runs ...