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Middle Ear Barotrauma
Otitic barotrauma is a term applied to the damage that results from a failure of the eustachian tube equalize the air pressure on either side of the tympanic membrane. Barotrauma occurs most commonly...
Severe Atelectasis
In this patient over time most of the tympanic membrane has been retracted, thinned and become adherent to the medial wall of the middle ear. Note that the long process of the incus and the stapedial...
Severe Atelectasis Resembling a Perforation of...
In this patient the large area of atelectasis [collapse of the tympanic membrane] resembles a large perforation of this intact right tympanic membrane.
Atelectasis
The posterior half of this right tympanic membrane has collapsed medially due to persistent negative pressure in the middle ear. The head of the stapes can be seen as well as the long process of the incus...
Severe Adhesive OtitisaMedia
In adhesive otitis media, the tympanic membrane is retracted and fixed to the medial wall of the middle ear by fibrous adhesions which have developed in response to previous inflammatory disease. There...
AOMT Acute Otitis Media with Ventilation Tube...
The term AOMT has been used to describe the development of an acute otitis media in those patients who have a ventilation tube in place in the tympanic membrane. The significance of this situation is...
![Acute Otitis Media with a Ventilation Tube in Place [AOMT]](https://medtube.net/images/min/0c0f183f213eb70c5fc10edd3593f4f8/149/112/1 "Acute Otitis Media with a Ventilation Tube in Place [AOMT]")
Acute Otitis Media with a Ventilation Tube in...
The term AOMT has been used to describe the development of an acute otitis media in those patients who have a ventilation tube in place in the tympanic membrane. The significance of this situation is...
Mastoid Air Cell System
This axial CT scan demonstrates the mastoid air cell system. On the right the mastoid air cells are healthy and air-filled, whereas on the left they are cloudy due to the presence of fluid. This is not...
Early Acute Otitis Media
One of the earliest signs of acute otitis media is erythema and bulging of the pars flaccida as seen in this left tympanic membrane.
Acute Otitis Media Pushing Tube Out of Drum
In this patient the accumulating purulent material in the middle ear has caused the tympanic membrane to bulge laterally and is pushing a previously placed ventilation tube out of the tympanic membrane.
![Acute Otitis Media [the stage of resolution]](https://medtube.net/images/min/aab04c976af4f88ea53b8d6e1458fa68/149/112/1 "Acute Otitis Media [the stage of resolution]")
Acute Otitis Media [the stage of resolution]
The appearance of purulent discharge in this patient's external canal is the result of a perforation which developed in the tympanic membrane from untreated acute otitis media.
Severe Acute Otitis Media
In this patient with severe acute otitis media the tympanic membrane is bulging laterally. Note the edematous keratin patches the surface of the tympanic membrane which indicate that the bacterial infection...
![Early Acute Otitis Media [the stage of suppuration]](https://medtube.net/images/min/ce93880aa222f2dabcc302089c0c9303/149/112/1 "Early Acute Otitis Media [the stage of suppuration]")
Early Acute Otitis Media [the stage of suppuration]
In this patient, the middle ear is beginning to fill with purulent material. There is a small area of air noted anteriorly in this left middle ear.
Early Acute Otitis Media
In this next stage of early acute otitis media, one can see that behind the tympanic membrane purulent fluid is beginning to accumulate.
![Early Acute Otitis Media [Stage of Redness]](https://medtube.net/images/min/eb65afa1b608093697e04e9404a2d73a/149/112/1 "Early Acute Otitis Media [Stage of Redness]")
Early Acute Otitis Media [Stage of Redness]
The earliest visible oldest otoscopic signs in acute otitis media consists of redness and swelling in the pars flaccida and vasodilatation of the peripheral tympanic vessels. This is known as the "stage...
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