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Audiometry (from Latin audīre ' to hear ' and metria ' to measure ') is a branch of audiology and the science of measuring hearing acuity for variations in sound intensity and pitch and for tonal purity, involving thresholds and differing frequencies. [1]
Pure-tone audiometry provides ear specific thresholds, and uses frequency specific pure tones to give place specific responses, so that the configuration of a hearing loss can be identified. As pure-tone audiometry uses both air and bone conduction audiometry, the type of loss can also be identified via the air-bone gap.
An Audiometrist (from Latin audīre, "to hear"; and from Italian-metria, “to measure” ) or Audiometric Officer, is a health-care professional technician [1] who has received special training in the use of Pure tone audiometry equipment. [2]
For example, an individual with a sloping, high-frequency hearing loss will have a different perception than a person with a flat hearing loss configuration (i.e. even across all frequencies) or a ...
The standard and most common type of hearing test is pure tone audiometry, which measures the air and bone conduction thresholds for each ear in a set of 8 standard frequencies from 250Hz to 8000Hz. The test is conducted in a sound booth using either a pair of foam inserts or supraural headphones connected to an external audiometer.
Health assessment has been separated by authors from physical assessment to include the focus on health occurring on a continuum as a fundamental teaching. [8] In the healthcare industry it is understood health occurs on a continuum, so the term used is assessment but may be preference by the speciality's focus such as nursing, physical therapy, etc.
Portable audiometer Maico, circa 1960s. An audiometer typically transmits recorded sounds such as pure tones or speech to the headphones of the test subject at varying frequencies and intensities, and records the subject's responses to produce an audiogram of threshold sensitivity, or speech understanding profile.
Auditory brainstem response testing is an electrophysiological test used to test for hearing deficits caused by pathology within the ear, the cochlear nerve and also within the brainstem. This test can be used to identify delay in the conduction of neural impulses due to tumours or inflammation but can also be an objective test of hearing ...