Hearing tests. Principles of hearing. Air-conduction Bone-conduction. Why do we test hearing. To detect one of major hearing impairment Senzorineural (perception) Conductive. Speech test Loud Whisper Tuning fork test Weber Rinne Bing Schwabach Audiometry Objective Subjective.
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Results: lost of high frequencies – perception disease (f.e.presbyacusis)
low frequencies – conductive disease (f.e. otitis media)
these allow one to distinguish (much more clearly) betweenconductive and sensorineural deafness
This test is contingent on the examiner having normal hearing..
Senzorineural impairment Conductive disease