H90.A21

Clinical Causes: Age-related degeneration of the inner ear structures (presbycusis) Noise-induced hearing loss from exposure to loud sounds over time Inner ear infections or inflammation, such as labyrinthitis Trauma or injury to the head or ear Ototoxic medications that damage inner ear cells Progressive neurological disorders affecting auditory pathways Acoustic neuroma or other tumors near the auditory nerve Genetic predispositions affecting inner ear development

Key Symptoms: Difficulty hearing sounds clearly in the affected ear Reduced ability to understand speech, especially in noisy environments Perception of muffled or distorted sounds in the affected ear Possible sensation of fullness or pressure in the ear Discomfort or ringing (tinnitus) in the affected ear Limited hearing on the opposite side, though typically less severe Challenges with localizing sound sources due to unilateral deafness

Diagnosis Path: Diagnosis typically involves a comprehensive hearing evaluation conducted by an audiologist. Tests may include pure-tone audiometry to assess hearing thresholds, speech audiometry to evaluate speech understanding, and imaging studies such as MRI or CT scans to identify underlying structural causes like tumors or anatomical anomalies. Medical history and physical examination are also crucial in identifying any related symptoms or risk factors.

Treatment Protocols: Treatment options depend on the underlying cause of the hearing loss. Approaches may include: - Hearing aids to amplify sounds in the affected ear - Surgical interventions, such as removal of tumors or repair of structural damage - Medication to treat infections or reduce inflammation - Cochlear implants in cases of severe inner ear nerve damage - Assistive listening devices and communication strategies to improve daily functioning It is important to consult healthcare professionals specializing in ear health for a tailored management plan.