audiogram

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a graphical representation of a person's auditory sensitivity to sound

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If the annual audiogram shows a STS the employee may be retested within 30 days to determine whether the shift is persistent.
For the affected ear, 27 patients (54%) showed no changes over time, 13 cases (26%) showed worsening, and 10 cases (20%) showed an improvement in hearing, according to our classification of audiograms variation over time (Figure 4).
Rapid Audiogram Interpretation: A Clinician's Manual
In our study, we compared the outcomes of the different treatment methods used in the patients followed-up for ISSNHL and aimed to identify the most successful modes of treatment based on the assessment of the prognostic factors, the audiogram types and the time from onset to treatment.
Before this trauma, consecutive pure tone audiograms had revealed slowly progressive sensorineural downsloping hearing loss without signs of acoustic trauma.
The hearing outcomes were determined based on Siegel's criteria.[14],[15] The patterns of hearing loss have been categorized into five audiogram configurations: (1) ascending (the average threshold between 0.25 and 0.50 kHz was 20 dB higher than the mean threshold of 4-8 kHz); (2) descending (the average threshold between 4 and 8 kHz was 20 dB higher than the mean threshold of 0.25-0.50 kHz); (3) flat (similar thresholds observed across the entire frequency range and the average hearing threshold not exceeding 80 dB HL); (4) profound (similar thresholds observed across the entire frequency range and the average hearing threshold over 80 dB HL); and (5) irregular type (any audiograms unqualified to be categorized into the above four types).
Auditory brainstem responses of tinnitus subjects with normal audiograms show a significantly decreased amplitude of the wave I potential but normal amplitudes of the wave V.
Age related hearing loss is most common and it is difficult to differentiate occupational hearing loss from that caused by aging but thorough history and previous audiograms can help.
In chronological order, audiograms that were collected and analyzed include:
industry sectors using 1,413,789 noise-exposed worker audiograms from CDC's National Institute for Occupational Safety and Health (NIOSH) Occupational Hearing Loss Surveillance Project (4).
The gold standard method of surveillance for Occupational Safety and Health Administration (OSHA) [3] and DOD HCPs is the audiometric hearing threshold test--the audiogram. Both OSHA and DOD require annual audiograms, also called pure-tone tests, which include test frequencies from 500 to 6,000 Hz.
All participants had formal audiograms done, and were tested in three different settings with the iPhone, i.e.
Serial audiograms of the patient thereafter showed mild improvement, with residual hearing loss in both ears of 80dB.
Although the author of this section does provide examples of several audiograms, she does not discuss the auditory implications of those audiograms.