What is ENT - Could you please explain the Rinne tuning fork test to me? How is it carried out exactly?
The Rinne test is also utilised in the process of distinguishing between CHL and SNHL. The examination is carried out by alternating between inserting the prongs of a vibrating tuning fork into the ear canal of the patient and putting the base of the tuning fork on the mastoid bone of the patient. The question that is posed to the patient is whether the tone is heard more clearly at the ear canal or the mastoid. In a patient who has normal hearing and a normal condition of the middle ear, the tuning fork will sound louder at the ear canal, or it will sound the same volume in both locations. Findings that are analogous to these are to be anticipated in a patient diagnosed with SNHL. Patients who have CHL, on the other hand, hear the tuning fork sounding louder when it is placed in the mastoid position (because the bone conduction in their bodies is superior to the air conduction in their bodies). A negative result on the Rinne test is what we get in this case. When the CHL is at least 25 dB above the hearing threshold, one can conclude that the test was unsuccessful. (dB HL).
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