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04.09.2014

Low ringing sound in ears, ringing in ears just started - Within Minutes

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For years, experts recommended low-fat diets as a way to lower cholesterol and heart disease risk. Constant noise in the head -- such as ringing in the ears -- rarely indicates a serious health problem, but it sure can be annoying. Tinnitus (pronounced tih-NITE-us or TIN-ih-tus) is sound in the head with no external source.
Sound waves travel through the ear canal to the middle and inner ear, where hair cells in part of the cochlea help transform sound waves into electrical signals that then travel to the brain's auditory cortex via the auditory nerve.
Most people who seek medical help for tinnitus experience it as subjective, constant sound, and most have some degree of hearing loss.
Musculoskeletal factors — jaw clenching, tooth grinding, prior injury, or muscle tension in the neck — sometimes make tinnitus more noticeable, so your clinician may ask you to tighten muscles or move the jaw or neck in certain ways to see if the sound changes. The most effective approaches are behavioral strategies and sound-generating devices, often used in combination.
The most common types of tinnitus are ringing or hissing ringing and roaring (low-pitched hissing). Tinnitus is usually static noise in the auditory system that is associated with loss of sound from the external environment. In most cases of tinnitus, the sound is an abnormal auditory sense perception of a sound that is really neither in the body nor coming from the outside. Similarly, we have found that tinnitus can be diminished by not listening to it; ignoring the abnormal perception of sound until it is no longer bothersome. We do know that individuals who focus on the tinnitus and listen to it constantly seem to aggravate the degree to which it is bothersome and seem to enhance the abnormal perception of the sound. 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. For many, it's a ringing sound, while for others, it's whistling, buzzing, chirping, hissing, humming, roaring, or even shrieking. She or he will take a medical history, give you a physical examination, and do a series of tests to try to find the source of the problem. 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. Anything that increases blood flow or turbulence such as hyperthyroidism, low blood viscosity (for example, anemia), or tortuous blood vessels may cause pulsatile tinnitus. For many people with tinnitus, the sound is usually masked, or covered up, when there is a usual level of noise in the environment.
You should certainly consider surgery if your tinnitus is due to a tumor and also if it is due to a venous source (usually pulsatile in this situation).
At the American Hearing Research Foundation (AHRF), we have funded basic research on tinnitus in the past, and are interested in funding sound research on tinnitus in the future.
A recent study including 100 patients with tinnitus found that 63 of these had low vitamin B12 levels.
For example, if you have a heart murmur, you may hear a whooshing sound with every heartbeat; your clinician can also hear that sound through a stethoscope. This stimulates abnormal activity in the neurons, which results in the illusion of sound, or tinnitus. Our bodies normally produce sounds (called somatic sounds) that we usually don't notice because we are listening to external sounds. 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.


If you have age-related hearing loss, a hearing aid can often make tinnitus less noticeable by amplifying outside sounds. The main components of TRT are individual counseling (to explain the auditory system, how tinnitus develops, and how TRT can help) and sound therapy. Although there's not enough evidence from randomized trials to draw any conclusions about the effectiveness of masking, hearing experts often recommend a trial of simple masking strategies (such as setting a radio at low volume between stations) before they turn to more expensive options. Pulsatile tinnitus may be more noticeable at night, when you're lying in bed, because more blood is reaching your head, and there are fewer external sounds to mask the tinnitus.
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 2010 review of six studies by the Cochrane Collaboration (an international group of health authorities who evaluate randomized trials) found that after CBT, the sound was no less loud, but it was significantly less bothersome, and patients' quality of life improved.
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. Masking of the sound by providing noise from the outside was a popular area of focus in the treatment of tinnitus for several years, but has not proven long-term to be the solution to cure that was hoped.
For example, the carotid artery (the main supply of blood to our brains) runs right next to the inner ear and yet we usually do not hear the pulse or heart sounds that are carried in the artery.
Steady, constant tinnitus is usually due to some cause of hearing loss, but people with no measurable hearing loss may hear tinnitus if they are in a totally quiet environment in which little sound is coming into their auditory system from the outside.



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