Articles

  • Special Topic

    Ear - blocked at high altitudes

    Ear anatomy

    The air pressure outside of your body changes as altitude changes. This creates a difference in pressure on the two sides of the eardrum. The result is a feeling of pressure and blockage in the ears.

  • Disease

    Ear barotrauma

    Ear anatomy

    Ear barotrauma is discomfort and possible damage in the ear due to pressure differences between the inside and outside of the eardrum.

  • Symptoms

    Ear discharge

    Ear anatomy

    Ear discharge is drainage of blood, , pus, or fluid from the ear.

  • Test

    Ear drainage culture

    Ear anatomy

    An ear drainage culture is a laboratory test to check for infection-causing substances in a sample of fluid, pus, wax, or blood from the ear.

  • Injury

    Ear emergencies

    The ear is a complicated organ controlling hearing and balance.  When sounds waves reach the ear, they are translated into nerve impulses. These impulses then travel to the brain where they are interpreted by the brain as sound.

    Ear emergencies include objects in the ear canal and

  • Disease

    Ear infection - acute

    Otitis media is an inflammation and/or infection of the middle ear. Acute otitis media (acute ear infection) occurs when there is bacterial or viral infection of the fluid of the middle ear, which causes production of fluid or pus. Chronic otitis media occurs when the eustachian tube becomes blocked repeatedly due to allergies, multiple infections, ear trauma, or swelling of the adenoids.

    Ear infections are one of the most common reasons parents take their children to the doctor. While there are different types of ear infections, the most common is called otitis media, which means an inflammation and infection of the middle ear. The middle ear is located just behind the eardrum. An ...

  • Disease

    Ear infection - chronic

    Otitis media is an inflammation and/or infection of the middle ear. Acute otitis media (acute ear infection) occurs when there is bacterial or viral infection of the fluid of the middle ear, which causes production of fluid or pus. Chronic otitis media occurs when the eustachian tube becomes blocked repeatedly due to allergies, multiple infections, ear trauma, or swelling of the adenoids.

    Chronic ear infection is fluid, swelling, or an infection behind the eardrum that does not go away or keeps coming back, and causes long-term or permanent damage to the ear. See also:

  • Surgery

    Ear tube insertion

    Ear tube insertion involves placing tubes through the eardrums. The eardrum is the thin layer of tissue that separates the outer and middle ear. Note: This article focuses on ear tube insertion in children. However, most of the information could also apply to adults with similar symptoms or ...

  • Disease

    Ear wax

    The ear canal is lined with hair follicles and glands that produce a waxy oil called cerumen. Sometimes the glands produce more wax than can be easily excreted out the ear. This extra wax may harden within the ear canal and block the ear.

    The ear canal is lined with hair follicles and glands that produce a waxy oil called cerumen. The wax usually makes its way to the opening of the ear, where it falls out or is removed by washing. Wax can build up and block the ear canal. Wax blockage is one of the most common causes of hearing loss.

  • Symptoms

    Earache

    The ear consists of external, middle, and inner structures. The eardrum and the three tiny bones conduct sound from the eardrum to the cochlea.

    An earache is a sharp, dull, or burning pain in one or both ears. The pain may last a short time or be ongoing. Related conditions include: Otitis media

  • Surgery

    Eardrum repair

    Eardrum repair refers to one or more surgical procedures that are done to correct a tear or other damage to the eardrum (tympanic membrane). Ossiculoplasty is the repair of the small bones in the middle ear.

  • Test

    Electronystagmography

    Electronystagmography is a test that looks at eye movements to see how well two nerves in the brain are working. These nerves are: Acoustic nerve, which runs from the brain to the ears Occulomotor nerve, which runs from the brain to the eyes

  • Disease

    Eustachian tube patency

    The ear consists of external, middle, and inner structures. The eardrum and the three tiny bones conduct sound from the eardrum to the cochlea.

    Eustachian tube patency refers to how much the Eustachian tube is open. The Eustachian tube runs between the middle ear and the throat. It controls the pressure behind the eardrum and middle ear space, and helps keep the middle ear free of fluid. The Eustachian tube is normally open, or patent. ...

  • Disease

    Expressive language disorder - developmental

    Developmental expressive language disorder is a condition in which a child has lower than normal ability in vocabulary, producing complex sentences, and remembering words. However, children with this disorder may have the normal language skills needed to understand verbal or written communication.