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  2. Tympanic membrane retraction - Wikipedia

    en.wikipedia.org/wiki/Tympanic_membrane_retraction

    Tympanic membrane retraction describes a condition in which a part of the eardrum lies deeper within the ear than its normal position. The eardrum comprises two parts: the pars tensa, which is the main part of the eardrum, and the pars flaccida, which is a smaller part of the eardrum located above the pars tensa. Either or both of these parts ...

  3. Tympanometry - Wikipedia

    en.wikipedia.org/wiki/Tympanometry

    A normal tympanogram (left) is labelled Type A. There is a normal pressure in the middle ear with normal mobility of the eardrum and ossicles. Type B tympanogram may reveal (a) fluid in the middle ear, (b) perforation of the tympanic membrane or patent pressure equalization tube, or (c) a tumor in the middle ear.

  4. Barotrauma - Wikipedia

    en.wikipedia.org/wiki/Barotrauma

    A negative, unbalanced pressure is known as a squeeze, crushing eardrums, dry suit, lungs or mask inwards and can be equalised by putting air into the squeezed space. A positive unbalanced pressure expands internal spaces rupturing tissue and can be equalised by letting air out, for example by exhaling. Both may cause barotrauma.

  5. Why do my ears feel clogged? 5 Things you can do right now. - AOL

    www.aol.com/lifestyle/why-ears-feel-clogged-5...

    Sinus Pressure . One of the most common causes of plugged ear sensations is allergies. ... Fluid in the ear means a buildup of mucus, or fluid, behind the eardrum. A healthy middle ear is filled ...

  6. Conductive hearing loss - Wikipedia

    en.wikipedia.org/wiki/Conductive_hearing_loss

    This test is usually abnormal with conductive hearing loss. A type B tympanogram reveals a flat response, due to fluid in the middle ear (otitis media), or an eardrum perforation. [5] A type C tympanogram indicates negative middle ear pressure, which is commonly seen in eustachian tube dysfunction. [5]

  7. Eustachian tube dysfunction - Wikipedia

    en.wikipedia.org/wiki/Eustachian_tube_dysfunction

    Opening pressure has been proposed as a method for preoperative and intraoperative evaluation of any obstructive process within the Eustachian tube. [3] As well, Valsalva CT scanning using advanced 64 slice or higher machines has been proposed as a way of diagnosing and localizing anatomic obstruction within the Eustachian tube. [4]

  8. Crackling In The Ear: Causes and At Home Treatments - AOL

    www.aol.com/crackling-ear-causes-home-treatments...

    Note: anyone with an active eardrum perforation, PE tubes in the ears, or Swimmer's ear (otitis externa) should avoid using drops or flushing the ear and consult a physician regarding concerns ...

  9. Ear clearing - Wikipedia

    en.wikipedia.org/wiki/Ear_clearing

    The pressure difference between the middle ear and the outside, if not released, can result in a burst eardrum. [10] This damages hearing, [11] and if this occurs underwater, cold water in the middle ear chills the inner ear, causing vertigo. [12] The pressure difference can also cause damage to other body air spaces, such as the paranasal ...