- The training program includes a pre-learning phase that allows participants to familiarize themselves with foundational concepts before engaging in in-person interactions with the facilitator.
- Following the pre-learning phase, participants will have the opportunity to meet with the facilitator in a physical classroom setting. This direct interaction is crucial for addressing any questions or concerns that may have arisen during the self-study period.
- Additionally, the physical classroom component is designed to facilitate hands-on practical training. This aspect of the program allows participants to apply theoretical knowledge in real-world scenarios, enhancing their understanding and retention of the material. Working under the guidance of an experienced facilitator, learners can practice skills, collaborate with peers, and gain valuable insights that are difficult to achieve through online learning alone.
- Overall, this structured approach—combining pre-learning with direct facilitator contact and practical classroom experiences—ensures a comprehensive and effective learning journey that accommodates various learning styles and maximizes participant engagement.
Types of audiograms in occupational health Copy
Types of audiograms in occupational health
Audiometric testing in the occupational setting is performed as part of the medical surveillance programme that should be in place for all employees exposed to noise equal to or above the noise rating limit (85dB(A)). All audiometric testing must be conducted by a competent person. The requirements of the various audiograms are specified in the:
MHS Act No. 29 of 1996 (including R389)
COID Act No. 130 of 1993 (including Instruction 171)
SANS 10083:2013
Table 8.1: The names of Audiograms as denoted in Legislation7,9,11.
| MHS Act No. 29 of 1996 | OHS Act No. 85 of 1993 |
| Baseline | Baseline |
| Milestone Baseline | Not Applicable |
| Initial - not specified in legislation but performed as per best practice | Entry, pre-employment, pre-placement - not specified in legislation but performed as per best practice |
| Periodic, Monitoring | Periodic |
| Exit | Exit |
| Diagnostic | Diagnostic |
What does an Audiogram look like?
At this stage it is important to know what the circles and crosses represent. Decibels increase in fives and tens represented by the lines for 10’s and in the middle of the block are the 5’s. Frequencies go across the top of the graph and decibels run down the left of the graph. How to read the graph and make a clinical interpretation follows in later chapters. This is a typical normal air pure tone audiogram where the hearing levels are within normal limits.
Figure 8.4: An example of a screening audiogram4
Adapted from: WALKER, JJ MD: American Family Physician Journal. Audiometry Screening and Interpretation 2013 Jan 1;87(1):41-47 U.S https://www.aafp.org/afp/2013/0101/p41.html4
