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In the absence of a pathology, a loud sound (generally greater than 70 dB above threshold) causes the stapedius muscle to contract, reducing the admittance of the middle ear and softening the perceived loudness of the sound. If the mobility of the stapes is reduced due to otosclerosis, then stapedius muscle contraction does not significantly ...
The hearing loss and ringing in the ears can become constant over time. [4] The cause of Ménière's disease is unclear, but likely involves both genetic and environmental factors. [1] [3] A number of theories exist for why it occurs, including constrictions in blood vessels, viral infections, and autoimmune reactions. [3]
of or pertaining to the ear Latin auris, the ear Aural: aut-self Greek αὐτός, αὐτο- (autós, auto-) Autoimmune, autograph, autobiography, automobile, automatic aux(o)-increase; growth Greek αὐξάνω, αὔξω (auxánō, aúxō) Auxocardia: enlargement of the heart, auxology: axill-of or pertaining to the armpit (uncommon as a ...
Anticoagulants, often called blood thinners, are medications that keep blood from clotting too easily. In rare cases, anticoagulants can cause hemotympanum with no underlying cause or injury [citation needed]. Experiencing a head injury while taking anticoagulants, increases the likelihood of hemotympanum [citation needed].
Air caught in nasal cavities – namely the sinus cavities, cannot be released and the resulting pressure may cause a headache or facial pain. If the sinus passage remains blocked, there is a chance that sinusitis may result. [6] If the mucus backs up through the Eustachian tube, it may result in ear pain or an ear infection.
Otitis media, or middle ear infection, involves the middle ear. In otitis media, the ear is infected or clogged with fluid behind the ear drum, in the normally air-filled middle-ear space. This is the most common infection and very common in babies younger than 6 months.
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Bleeding, hemorrhage, haemorrhage or blood loss is blood escaping from the circulatory system from damaged blood vessels. [1] Bleeding can occur internally , or externally either through a natural opening such as the mouth , nose , ear , urethra , vagina or anus , or through a puncture in the skin .