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Patulous Eustachian tube is a physical disorder. The exact causes may vary depending on the person and are often unknown. [5] Weight loss is a commonly cited cause of the disorder due to the nature of the Eustachian tube itself and is associated with approximately one-third of reported cases. [6]
The most common causes are hearing damage, noise-induced hearing loss, or age-related hearing loss, known as presbycusis. [2] Other causes include ear infections , disease of the heart or blood vessels , Ménière's disease , brain tumors , acoustic neuromas (tumors on the auditory nerves of the ear), migraines, temporomandibular joint ...
First-line treatment options are generally aimed at treating the underlying cause and include attempting to "pop" the ears, usually via the Valsalva maneuver, the use of oral or topical decongestants, oral steroids, oral antihistamines, and topical nasal steroid sprays, such as Flonase.
The superior semicircular canal dehiscence syndrome (SSCDS) is a set of hearing and balance symptoms that a rare disease/disorder of the inner ear's superior semicircular canal/duct induces. [ 3 ] [ 4 ] [ 5 ] The symptoms are caused by a thinning or complete absence of the part of the temporal bone overlying the superior semicircular canal of ...
The Institute expanded into medical and technological research during the 1960s and 1970s, being a key player in the development of NHS provided behind-the-ear hearing aids. During the 1980s it developed the Telephone Exchange for the Deaf, a pioneering relay service allowing telephone users and deaf " textphone " users to communicate with each ...
Normal human ears can discriminate between two frequencies that differ by as little as 0.2%. [14] If one ear has normal thresholds while the other has sensorineural hearing loss (SNHL), diplacusis may be present, as much as 15–20% (for example 200 Hz one ear => 240 Hz in the other).
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Normal ear anatomy Earlobe creases seen in a Japanese angina patient. Frank's sign is a diagonal crease in the ear lobe extending from the tragus across the lobule to the rear edge of the auricle. [1] The sign is named after Sanders T. Frank. [1] It has been hypothesised that Frank's sign is indicative of cardiovascular disease [2] [3] and/or ...