Is bone conduction pure tone audiometry?

Is bone conduction pure tone audiometry?

Pure tones (single frequencies) are used to test air and bone conduction. These and speech testing are done with an audiometer.

What is the bone conduction test?

Bone Conduction Testing Audiologists use this type of testing when something, such as wax or fluid, is blocking your outer or middle ear. For this test, the audiologist will put a small device behind your ear or on your forehead. The sounds sent through this device cause your skull to gently vibrate.

How is pure tone air conduction and bone conduction similar?

In air-conduction testing, a pure tone is presented via an earphone (or a loudspeaker). The signal travels through the air in the outer ear to the middle ear and then to the cochlea in the inner ear. In bone-conduction testing, instead of using an earphone, an electromechanical earphone is placed on the skull.

Is pure tone average bone conduction?

Standard pure-tone audiometry provides diagnostic information regarding the degree, type, and configuration of hearing loss. Hearing thresholds are obtained to air conduction (0.25–8 kHz) and bone conduction (0.5–4 kHz) stimuli.

What is the difference between air conduction and bone conduction?

Air conduction uses the apparatus of the ear (pinna, ear canal, tympanic membrane, and ossicles) to amplify and direct the sound. Bone conduction allows the vibration sound to be transmitted to the inner ear.

What is pure tone average?

Pure-tone average (PTA) is the average of hearing sensitivity at 500, 1000, and 2000. This average should approximate the speech reception threshold (SRT), within 5 dB, and the speech detection threshold (SDT), within 6–8 dB.

What does pure tone average mean?

How is pure tone test done?

Pure-tone testing is an air conduction test that determines the faintest tones a person can hear at varying pitches, or frequencies. The audiologist will select pitches, from low to high, for a patient to hear. During the test, the patient wears earphones so that data can be collected from each ear.

What is an example of a pure tone?

The sirens on emergency vehicles use a modulated Pure Tone because they are easily heard over background sound. You may be asking yourself; how do I know if I have a Pure Tone? If the noise you are bothered by has a buzz, shrill or whine then it likely has a Pure Tone.