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In theory how long would it take for hearing to return after a sudden loud noise ruptures an eardrum?
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My friend was in a fight and got hit to the side of the head and he had a sudden loss of hearing to that side. What has caused the hearing deficit?
It depends: If there was only trauma, as in built up pressure when the ear was hit, then the eardrum was injured, and that may be temporary. If there was fluid coming out of the ear at the time, then the eardrum was ruptured and this may cause permanent hearing loss. There may be an operation to fix this, but only the doctor will be able to say for sure.
What are the symptoms of perforated eardrum?
An earache or pain in the ear, which may be severe, or a sudden decrease in ear pain, followed by ear drainage of clear, bloody, or pus-filled fluid, hearing loss, or ear noise/buzzing.
If a sudden loud noise in the range of 100-150 dB ruptured one's eardrum and caused bleeding from the ears how long would it take for hearing to return in a best case scenario?
An internet search was not definitive on whether or not the eardrums would rupture, but there is the possibility. If this is describing an actual situation, your time would be best spent talking to a doctor.
What is progressive and sudden hearing loss?
The progressive hearing loss means that, hearing loss becomes worse over time. Sudden hearing loss means, hearing loss that happens quickly. Such a hearing loss requires immediate medical attention to determine its cause and treatment. The Art of hearing is one of the audiologists in Perth, WA which provides free online hearing tests. So it is easy to undergo hearing tests.
Sudden return of elastically deformed rock to an undeformed shape?
No
Sudden return of elastically deformed rock?
elastic rebound
Sudden return of elastically deformed rock to its undeformed shape?
Not sure about the 'sudden' part, but it's called rebound.Really its called Elastic Rebound.....
Can sound break glass and ear drum?
Yes, it can if it is loud enough and of the correct pitch. Glass will shatter at a certain frequency, which differs with the type of glass. The proper sound can break it without hurting you in the slightest. Or it can deafen you if it is loud enough.---There are a few ways that sound can break a glass. The easiest is amplification, raising the volume of the sound until the pressure shatters the glass. The second is just a very loud, sudden sound that deforms the glass before it can conduct the vibrations. The third is resonance, choosing a frequency that causes sympathetic oscillation of the molecules of the glass, so that an increasing amplitude of distortions shatters the glass (as with the first two types of sound).Prolonged loud sounds can destroy your hearing ability without much physical damage to the eardrum itself. However, a sudden pressure wave (as from an explosion or from a very loud and sudden sound) can push in and rupture the eardrum. The only way to attenuate the pressure is by opening your mouth, so that your throat and the eustachian tubes carry the same pressure to the rear of the eardrums. This will decrease the inward force on the eardrum.
Sudden return of elastically deformed rock to its unformed shape?
an elastic rebound
How can a bacterial infection cause hearing loss?
Sudden hearing loss--at least 30dB in less than three days--is most commonly caused by cochleitis, a mysterious viral infection.
Ruptured eardrum?
DefinitionA ruptured or perforated eardrum is an opening in the tympanic membrane (eardrum).Alternative NamesTympanic membrane perforation; Eardrum - ruptured or perforated; Perforated eardrumCauses, incidence, and risk factorsThe tympanic membrane (eardrum) separates the outer ear from the middle ear. The eardrum vibrates when sound waves strike it.Bones and nerve endings in the middle and inner parts of the ear then send a nerve impulse that travels to the brain. When the eardrum is damaged, the hearing process is interrupted.Ear infections may cause a ruptured eardrum, more often in children. The infection causes pus or fluid to build up behind the eardrum. As the pressure increases, the eardrum may break open or rupture.Damage to the eardrum can also occur from:A very loud noise (acoustic trauma)Difference in pressure between the inside and outside of the eardrum (barotrauma), which may occur when flying, scuba diving, or driving in the mountainsForeign objects in the earInserting cotton-tipped swabs or small objects into the ear to clean themTrauma to the ear (such as a powerful slap or explosion)SymptomsDrainage from the ear (drainage may be clear, pus, or bloody)Ear noise/buzzingEarache or ear discomfortMay be severe and increasingThere may be a sudden decrease in ear pain followed by ear drainageFacial weakness or dizziness (in more severe cases)Hearing loss in the affected ear (hearing loss may not be complete)Signs and testsThe doctor will look in your ear with an instrument called an otoscope. If the eardrum is perforated, the doctor will see an opening in it, and may even see the bones of the middle ear.Sometimes it is hard for the doctor to see the eardrum because of drainage (pus) from the ear.Audiologytesting can measure the extent of hearing loss.TreatmentThe goal of treatment is to relieve pain and prevent or treat infection.Putting warmth on the ear may help relieve discomfort. Keep the ear clean and dry while it is healing. Place cotton balls in the ear while showering or shampooing to prevent water from entering the ear. Avoid swimming or putting your head underneath the water.Antibiotics (oral or ear drops) may be used to prevent infection or to treat an existing infection. Analgesics (painkillers), including over-the-counter medications, may be used to relieve pain.Sometimes the health care provider may place a patch over the eardrum to encourage healing. Surgical repair of the eardrum (tympanoplasty) may be needed if the eardrum does not heal on its own.Expectations (prognosis)A ruptured or perforated eardrum may be uncomfortable, but it usually heals by itself within 2 months. Any hearing loss is usually temporary.ComplicationsEar infection (otitis media): The eardrum prevents bacteria from entering the middle ear. When the eardrum is ruptured, bacteria can easily travel to the middle ear, causing an infection.Permanent hearing lossSpread of infection to the bone behind the ear (mastoiditis)Calling your health care providerCall your health care provider if you:Have symptoms of a ruptured or perforated eardrumAre diagnosed with a ruptured eardrum, and symptoms last longer than 2 months despite medical treatmentAre diagnosed with a ruptured eardrum and develop ear drainage, a persistent fever, general ill feeling, or hearing lossPreventionDo not insert objects into the ear canal, even to clean it. Foreign objects should only be removed by a health care provider. Have ear infections treated promptly.ReferencesKerschner JE. Otitis media. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier;2007:chap 639.Bauer CA, Jenkins HA. Otologic symptoms and syndromes. In: Cummings CW, Flint PW, Haughey BH, Robbins KT, Thomas JR, eds. Otolaryngology: Head & Neck Surgery. 4th ed. Philadelphia, PA: Mosby Elsevier; 2005:chap 126.Ramakrishnan K, Sparks RA, Berryhill WE. Diagnosis and treatment of otitis media. Am Fam Physician. 2007;76(11):1650-1658.
What causes sudden hearing loss and swelling of one side of face?
An ear infection can cause minimal swelling to moderate swelling around the ear, and can also cause hearing loss that can become permanent.
