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A perforated eardrum (tympanic membrane perforation) is a prick in the eardrum. It can be caused by infection (otitis media), trauma, overpressure (loud noise), inappropriate ear clearing, and changes in middle ear pressure. An otoscope can be used to view the eardrum to diagnose a perforation. Perforations may heal naturally or require surgery.
Otitis media is a group of inflammatory diseases of the middle ear. [ 2 ] One of the two main types is acute otitis media (AOM), [ 3 ] an infection of rapid onset that usually presents with ear pain. [ 1 ] In young children this may result in pulling at the ear, increased crying, and poor sleep. [ 1 ] Decreased eating and a fever may also be ...
A graft may be taken to reconstruct the tympanic membrane. Common graft sites include the temporalis fascia and the tragus. The surgery takes 1 ⁄ 2 to 1 hour if done through the ear canal and 1 + 1 ⁄ 2 to 2 hours if an incision is needed. It is done under local or general anesthesia. It is done on an inpatient or day case basis and is ...
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. Either or both of these parts ...
ICD-9-CM. 95.41. MeSH. D000158. MedlinePlus. 003390. Tympanometry is an acoustic evaluation of the condition of the middle ear [ 1 ] eardrum (tympanic membrane) and the conduction bones by creating variations of air pressure in the ear canal. Tympanometry is an objective test of middle-ear function. It is not a hearing test, but rather a ...
e. In the anatomy of humans and various other tetrapods, the eardrum, also called the tympanic membrane or myringa, is a thin, cone-shaped membrane that separates the external ear from the middle ear. Its function is to transmit sound from the air to the ossicles inside the middle ear, and thence to the oval window in the fluid-filled cochlea.
Tympanostomy tube. The grommet is less than 2 mm tall, smaller than a match head. Tympanostomy tube, also known as a grommet,myringotomy tube, or pressure equalizing tube, is a small tube inserted into the eardrum via a surgical procedure called myringotomy to keep the middle ear aerated for a prolonged period of time, typically to prevent ...
Myringoplasty is the closure of the perforation of pars tensa of the tympanic membrane. [1][2][3] When myringoplasty is combined with removal of scar tissue, it is called tympanoplasty. The operation is performed with the patient supine and face turned to one side. The graft material most commonly used for the surgery is temporalis fascia.