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- Middle ear barotrauma (MEBT), also known to underwater divers as ear squeeze and reverse ear squeeze, is an injury caused by a difference in pressure between the external ear canal and the middle ear. It is common in underwater divers and usually occurs when the diver does not equalise sufficiently during descent or, less commonly, on ascent. Failure to equalise may be due to inexperience or eustachian tube dysfunction, which can have many possible causes. Unequalised ambient pressure increase during descent causes a pressure imbalance between the middle ear air space and the external auiditory canal over the eardrum, referred to by divers as ear squeeze, causing inward stretching, serous effusion and haemorrhage, and eventual rupture. During ascent internal over-pressure is normally passively released through the eustachian tube, but if this does not happen the volume expansion of middle ear gas will cause outward bulging, stretching and eventual rupture of the eardrum known to divers as reverse ear squeeze. This damage causes local pain and hearing loss. Tympanic rupture during a dive can allow water into the middle ear, which can cause severe vertigo from caloric stimulation. This may cause nausea and vomiting underwater, which has a high risk of aspiration of vomit or water, with possible fatal consequences. Middle ear barotrauma can also be caused by shock waves and blows to the external ear, particularly in water, and large or fast changes in altitude. (en)
- Barotitis (of preciezer barotitis media ook wel aerotitis media) is een reactie van het middenoor op plotselinge drukvariaties van de buitenlucht. Barotitis is een probleem dat vooral optreedt als de buis van Eustachius niet functioneert. Bij sportduiken en bij het stijgen en vooral dalen in een vliegtuig wordt de druk op het trommelvlies zo groot dat hevige pijn het gevolg is, en het het trommelvlies zelfs kan scheuren, in welk geval men spreekt over barotrauma. (nl)
- Аэроотит (от аэро и отит, также бароотит) — заболеваниe среднего уха, которое может развиться при перепадах барометрического давления (в полетах, в барокамере); вызывает ощущение заложенности, боль, иногда шум в ухе. Обычно встречаются у военных лётчиков, водолазов и подводников, но также вызываются взрывами, с ударами ладонью по уху. (ru)
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| dbo:complications
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- inner ear barotrauma, deafness, vertigo, nausea
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- 20817 (xsd:nonNegativeInteger)
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| dbp:causes
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- Pressure difference between the external environment and the gas filled space of the middle ear (en)
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| dbp:complications
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- inner ear barotrauma, deafness, vertigo, nausea (en)
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| dbp:name
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- Middle ear barotrauma (en)
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| dbp:symptoms
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- Hearing loss, local pain (en)
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| dbp:synonyms
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- Ear squeeze, reverse squeeze (en)
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| rdfs:comment
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- Barotitis (of preciezer barotitis media ook wel aerotitis media) is een reactie van het middenoor op plotselinge drukvariaties van de buitenlucht. Barotitis is een probleem dat vooral optreedt als de buis van Eustachius niet functioneert. Bij sportduiken en bij het stijgen en vooral dalen in een vliegtuig wordt de druk op het trommelvlies zo groot dat hevige pijn het gevolg is, en het het trommelvlies zelfs kan scheuren, in welk geval men spreekt over barotrauma. (nl)
- Аэроотит (от аэро и отит, также бароотит) — заболеваниe среднего уха, которое может развиться при перепадах барометрического давления (в полетах, в барокамере); вызывает ощущение заложенности, боль, иногда шум в ухе. Обычно встречаются у военных лётчиков, водолазов и подводников, но также вызываются взрывами, с ударами ладонью по уху. (ru)
- Middle ear barotrauma (MEBT), also known to underwater divers as ear squeeze and reverse ear squeeze, is an injury caused by a difference in pressure between the external ear canal and the middle ear. It is common in underwater divers and usually occurs when the diver does not equalise sufficiently during descent or, less commonly, on ascent. Failure to equalise may be due to inexperience or eustachian tube dysfunction, which can have many possible causes. Unequalised ambient pressure increase during descent causes a pressure imbalance between the middle ear air space and the external auiditory canal over the eardrum, referred to by divers as ear squeeze, causing inward stretching, serous effusion and haemorrhage, and eventual rupture. During ascent internal over-pressure is normally passi (en)
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| rdfs:label
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- Middle ear barotrauma (en)
- Barotitis (nl)
- Аэроотит (ru)
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- Middle ear barotrauma (en)
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