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Patulous Eustachian tube is the name of a physical disorder where the Eustachian tube, which is normally closed, instead stays intermittently open. When this occurs, the person experiences autophony , the hearing of self-generated sounds. [ 1 ]
A patulous Eustachian tube is a rare condition in which the Eustachian tube remains intermittently open, causing an echoing sound of the person's own heartbeat, breathing, and speech. This may be temporarily relieved by holding the head upside down.
The "occlusion effect", caused by an object, such as an unvented hearing aid or a plug of ear wax, blocking the ear canal and reflecting sound vibration back towards the eardrum. [1] Serous otitis media; Open or patulous Eustachian tube, allowing vocal or breathing sounds to be conducted into the middle ear
Eustachian tube dysfunction can be caused by a number of factors. Some common causes include the flu , allergies , a cold , and sinus infections . [ 6 ] In patients with chronic ear disease such as cholesteatoma and chronic discharge, studies showed that they have obstructive pathology at the ear side of the Eustachian tube.
The superior canal dehiscence can affect both hearing and balance to different extents in different people. [citation needed]Symptoms of the SCDS include: Autophony – person's own speech or other self-generated noises (e.g. heartbeat, eye movements, creaking joints, chewing) are heard unusually loudly in the affected ear
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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.
tinnitus, ringing, buzzing, hissing or other sounds in the ear when no external sound is present; vertigo and disequilibrium; tympanophonia, also known as autophonia, abnormal hearing of one's own voice and respiratory sounds, usually as a result of a patulous (a constantly open) eustachian tube or dehiscent superior semicircular canals