Audiometry

Summarized by Plex Health
Last Updated: 08 May 2022

An audiometry examination tests your capacity to hear sounds. Sounds differ, based on their volume and the speed of audio wave vibrations. When audio waves boost the nerves of the inner ear, hearing occurs. Acoustic waves can take a trip to the internal ear with the ear canal, eardrum, and bones of the middle ear. A whisper has to do with 20 dB; Loud music is around 80 to 120 dB; A jet engine is about 140 to 180 dB; Sounds more than 85 dB can cause hearing loss after a couple of hrs. Louder noises can cause immediate pain, and hearing loss can develop in a very short time. Your healthcare provider may test your hearing with simple tests that can be performed in the office. A specialized tuning fork test can assist determine the type of hearing loss. The tuning fork is tapped and held in the air on each side of the head to test the ability to listen to by air transmission. A device called a bone oscillator is placed against the mastoid bone to test bone transmission. Speech audiometry-- This tests your capacity to duplicate and detect talked words at different volumes listened to through a head set. Immittance audiometry-- This test determines the function of the ear drum and the circulation of audio via the middle ear. A probe is put into the ear and air is pumped through it to change the pressure within the ear as tones are created. A microphone keeps track of just how well sound is conducted within the ear under different stress.

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