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Pure Tone Audiometry (PTA) Test
A pure tone audiometry test evaluates how well a person hears sounds at different frequencies and volumes. It is a key diagnostic tool used by audiologists to determine the degree and type of hearing loss.
- The test measures the softest sound a person can hear at different pitches (frequencies).
- Results are plotted on an audiogram, showing hearing thresholds.
- It helps in diagnosing sensorineural, conductive, or mixed hearing loss.
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Impedance Audiometry Test
An impedance audiometry test, also known as tympanometry, assesses the middle ear's function and detects any blockages or issues affecting hearing.
- It measures how the eardrum responds to sound and pressure changes.
- Useful in diagnosing ear infections, fluid buildup, or eardrum perforations.
- Recommended for individuals with ear discomfort, recurrent infections, or fluctuating hearing loss.