What is a baseline audiogram?

A baseline audiogram is defined as the initial hearing test administered to an employee when they first enter a hearing conservation program. This is a critical measurement, as it serves as a reference point for future audiometric testing. By establishing a baseline, audiologists and hearing conservation program managers can accurately assess any changes in the employee's hearing abilities over time, particularly in response to occupational noise exposure.

The significance of the baseline audiogram lies in its role in monitoring and protecting hearing health. It allows for the detection of any hearing loss that may develop as a result of exposure to hazardous noise levels in the workplace. Regular follow-up audiograms (usually conducted annually) can then be compared against this baseline to identify any detrimental changes in hearing.

This process of establishing a baseline is an essential component of effective hearing conservation strategies, ensuring that appropriate measures can be taken to mitigate risks and protect employee hearing across various industries.