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06.05.2015

Hearing test pitch, cure tinnitus diet - How to DIY

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The way to a hearing aid fitting often begins with a feeling that your hearing is not as it should be or that your hearing has worsened. A hearing care professional determines with the help of a hearing test whether or not a hearing loss is present. From here on, the assumption is that you have a sensorineural hearing loss (that you have nerve damage to the inner ear). If all of the X's (for the left ear) and all of the 0's (for the right ear) fall above the line you just drew, you have normal hearing. Your hearing loss is classified according to how far down the graph the marks go, and in what freqencies the loss occurs.
Having hearing aids as a younger adult can be remarkably different from having hearing aids as an older adult.
Studies indicate that 1 in 4 Americans who recognize their own hearing loss actually do something about it by adopting amplification. A full hearing evaluation (more than just a quick screening) is usually performed by an audiologist or licensed hearing instrument dispenser. An audiologist is a highly-trained professional in the prevention, identification, assessment and non-medical treatment of hearing disorders. A licensed hearing instrument dispenser’s qualifications vary state by state as state laws dictate the level of education and training that is required to become a licensed hearing instrument dispenser. To find a hearing professional one place to begin is by asking your family physician for a referral.
The more information you collect in finding a hearing professional, the better equipped you are to serve as your own advocate for better hearing. This will provide the hearing professional with an overview of your medical situation and will help them in assessing the hearing test results as well as assist in determining the necessity of a medical referral following the hearing test. Next the hearing professional will examine your ear canals and eardrum with a specialized ear light called an otoscope. The lowest levels of the test signals you can hear at least half of the time are called your hearing thresholds. The thresholds are plotted on an audiogram (see below) which provides a visual representation of your hearing loss. The degree of hearing loss is based on the thresholds obtained during the hearing test, and ranges from least to most severity in this order: mild, moderate, moderately-severe, severe and profound. The most common type of hearing loss is high-frequency hearing loss and an example is shown on the audiogram below.


During the hearing evaluation the hearing professional will look for any red flags of underlying medical conditions that may require treatment by an otolaryngologist, or ear nose and throat specialist.
Hearing loss can be categorized as conductive, sensorineural or a combination of the two factors which is referred to as a mixed hearing loss. This is the bottom line and why you underwent a hearing evaluation in the first place – recommendations. And you can almost be certain that your hearing professional is going to make lifestyle recommendations – especially in cases of mild hearing loss. And of course, the hearing professional will discuss with you if you are in fact a hearing aid candidate. Hearing loss is often a progressive condition and rarely does hearing return all on its own. According to recent research carried out by the Better Hearing Institute persons with hearing loss on average wait 7 years before purchasing a hearing aid after learning they have hearing loss. Early diagnosis along with early treatment of hearing loss has been proven to result in the most successful outcomes. Technical SchoolUnderstanding the AudiogramIt is important for you to understand what your child’s hearing test means. In other words, a well-educated patient collaborates with the hearing professional to deliver the best hearing experience possible. These thresholds assist in determining type and degree of hearing loss, potential causes of your hearing loss as well as your treatment plan (i.e. It is represented on the horizontal axis of the audiogram, from 250Hz (very low pitch) to 8000 Hz (very high pitch). As you can see in the low frequencies hearing thresholds for both ears are within normal range; however around 2000 Hz (a mid pitch) hearing begins to slope and worsen in the higher frequencies. Audiologists and licensed hearing instrument dispensers typically refer patients to ENT specialists when they suspect that disease, trauma or some other factor has caused the hearing loss. The type of hearing loss can be determined by comparing testing done with earphones and testing done with a special bone oscillator headband.
The hearing professional may refer you to a medical doctor if the hearing loss is suspect to be caused by a medical issue that may be treatable. A pro-active approach is your best solution so we’re talking about getting fitted with a pair of hearing aids. Making a serious mistake, family pressure, or safety concerns are also reasons people often cite for seeking a hearing solution.


In the case where a hearing loss is present, the kind and degree of your hearing loss is determined individually for each ear and entered in an audiogram. Many audiologists specialize in their field; for example, some specialize in hearing aid technology, pediatric hearing loss, geriatric hearing loss, tinnitus therapies, vestibular (balance) testing, etc. Some states do require hearing instrument dispensers to obtain further education in the study of hearing loss and hearing aid technology.
Finding the right hearing professional is an important first step towards healthy hearing and success with hearing aids. On your first visit to your hearing professional you’ll be asked about your medical history, current medical issues, medications, hearing loss symptoms, family history of hearing loss, history of noise exposure, your hearing concerns, etc. During the hearing test, a series of tones of different frequencies (also known as pitches) as well as speech signals will be presented to each ear separately through earphones.
This particular example would be called a mild to moderately-severe high frequency hearing loss.
So is mowing the lawn without wearing some kind of hearing protection so expect to receive good advice you can use to lessen the degree of hearing loss, or the rate at which you’re actually losing the ability to hear.
Your hearing professional may fit you with the type of hearing aid to best address your type of hearing loss, wearing preferences, lifestyles and degree of hearing loss. You will respond to test signals either by a hand raise, pushing a button, or in the case of speech signals, repeating what was heard. In fact, recent data suggests 34.25 million Americans experience some degree of hearing loss.
The frequencies at the top go from low pitches on the left to high pitches on the right (125Hz to 8000Hz) -- just like the keys on a piano keyboard.
None of these tests are painful but they do give us a fuller picture of what is going on.AudiogramNext we perform the audiogram which involves placing a set of headphones on and testing each ear separately. We are looking to establish the threshold of your hearing at a number of different pitches. Normal hearing is defined as a threshold above 20 decibels at all frequencies, as shaded on the audiogram. So it is possible and indeed common, to have normal low frequency hearing progressing to a severe loss at high frequencies.The next test is a speech discrimination test to establish how well your brain is processing the sounds of speech.



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