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Presbycusis
Aka: Presbycusis
- Definition
- Hearing Loss related to aging
- Epidemiology
- Onset in middle age, and slowly progressive
- Most notable over age 65 years
- Pathophysiology
- Slowly progressive Sensorineural Hearing Loss
- Typically due to atrophy of Organ of Corti and auditory nerve at basal end of Cochlea
- Symptoms
- Abrupt high frequency Hearing Loss
- Decreased speech discrimination
- Poor understanding of speech even when loud enough
- Recruitment
- Abnormal hypersensitivity to noise
- Evaluation
- Audiometry displays high pitched Hearing Loss
- Acoustic reflex testing