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15.07.2014

Ringing or noise in ears, pulsatile tinnitus help - .

Author: admin
Constant noise in the head -- such as ringing in the ears -- rarely indicates a serious health problem, but it sure can be annoying.
Almost everyone has had tinnitus for a short time after being exposed to extremely loud noise. If you're often exposed to loud noises at work or at home, it's important to reduce the risk of hearing loss (or further hearing loss) by using protectors such as earplugs or earmuff-like or custom-fitted devices. A ringing sound in the ear is a common symptom of tinnitusQ: I have a constant ringing sound in my right ear, which can be annoying, especially when I am in a very quiet room. It can also be related to inner ear disorders resulting from infection, trauma, loud noise exposure, medications and tumours in the pathway of the auditory nervous system. Tinnitus is the perception of an insistent, unpleasant ringing, buzzing or other consistent noise, located in or near the skull but without a definable external source.
Tinnitus is often perceived as a ringing or persistent high tone very close to or within the ear.
The most common cause, though, is prolonged exposure to excessive noice (above 70 dB; think vacuum cleaner and louder) without sufficient hearing protection. For those that already suffer from Tinnitus, there is no FDA-approved medication available to treat it, though treating the underlying cause often relieves the ringing. For many, it's a ringing sound, while for others, it's whistling, buzzing, chirping, hissing, humming, roaring, or even shrieking.


When hair cells are damaged — by loud noise or ototoxic drugs, for example — the circuits in the brain don't receive the signals they're expecting. Things that cause hearing loss (and tinnitus) include loud noise, medications that damage the nerves in the ear (ototoxic drugs), impacted earwax, middle ear problems (such as infections and vascular tumors), and aging. Pulsatile tinnitus calls for a thorough evaluation by an otolaryngologist (commonly called an ear, nose, and throat specialist, or ENT) or neurotologist, especially if the noise is frequent or constant.
Masking devices, worn like hearing aids, generate low-level white noise (a high-pitched hiss, for example) that can reduce the perception of tinnitus and sometimes also produce residual inhibition — less noticeable tinnitus for a short time after the masker is turned off.
The remainder of patients will still hear the noise but they get used to this, while a minority (5 per cent) will need medical help to cope. It is a directed counselling therapy and utilises enriched environmental sounds or noise generators to train the brain to adapt to the tinnitus. In fact, an estimated 90 percent of tinnitus sufferers also experience some degree of noise-induced hearing loss.
She or he will also ask you to describe the noise you're hearing (including its pitch and sound quality, and whether it's constant or periodic, steady or pulsatile) and the times and places in which you hear it. Most patients in the acute stage of tinnitus will complain of annoyance, impact on their lifestyle and difficulty coping in quiet environments, especially at night, when the tinnitus sound is magnified due to the absence of ambient noise. In this group of patients, they hear simple, pure tone sounds such as buzzing, cricket noises or high-pitched sounds or a combination of these.


Other cases may be related to exposure to very loud or destructive levels of noise, such as from an explosion, industrial equipment or farming equipment. Your clinician will review your medical history, your current and past exposure to noise, and any medications or supplements you're taking. A recent study, including 974 patients, indicated that hearing aids were preferable and more effective in treating blast-related tinnitus compared to noise generators. But when these hairs are damaged or killed by repeated loud noise exposure, the underlying neurons remain active, sending a false signal to the brain that there is incoming sound when there really isn't.
The resulting electrical noise takes the form of tinnitus — a sound that is high-pitched if hearing loss is in the high-frequency range and low-pitched if it's in the low-frequency range. A device is inserted in the ear to generate low-level noise and environmental sounds that match the pitch, volume, and quality of the patient's tinnitus. Another group of patients hear repeated tapping noises because of middle ear myoclonus, a condition that results from twitching of the middle ear muscles.



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