Audiometric testing

1. What is an audiometric test?
2. What is the purpose of audiometric testing?
3. How do you conduct an audiometric test?
4. How is PTA test done?

What is an audiometric test?

An audiometry exam tests your ability to hear sounds. Sounds vary, based on their loudness (intensity) and the speed of sound wave vibrations (tone). Hearing occurs when sound waves stimulate the nerves of the inner ear. ... They can also pass through the bones around and behind the ear (bone conduction).

What is the purpose of audiometric testing?

What is audiometric testing? Audiometric testing monitors an employee's hearing over time. It also provides an opportunity for employers to educate employees about their hearing and the need to protect it. The employer must establish and maintain an audiometric testing program.

How do you conduct an audiometric test?

A hearing test is performed in a sound proof room. You will wear headphones or earplugs connected to a device that sends sounds of different volumes and pitches to one ear at a time. You will be asked to respond by raising your hand or pressing a button each time you hear a sound.

How is PTA test done?

Hearing sensitivity within the speech frequencies is known as the pure-tone average (PTA) and can be calculated by adding the thresholds obtained at 500, 1000, and 2000Hz and dividing the result by 3. For audiometric results to be valid, the patient must respond to stimulation of the ear being tested.