H90.A22

Clinical Causes: Exposure to loud noises over time Age-related degeneration of auditory structures Acoustic neuroma or tumors affecting the auditory nerve Head injuries or trauma Infections such as meningitis or labyrinthitis Genetic predispositions Ototoxic medications that damage inner ear cells Autoimmune inner ear disease

Key Symptoms: Decreased hearing ability in the left ear Restricted hearing in the contralateral (right) ear Difficulty understanding speech, especially in noisy environments Perception of ringing or buzzing (tinnitus) Feeling of fullness or pressure in the affected ear Possible balance issues or dizziness Difficulty localizing sounds

Diagnosis Path: Diagnosing unilateral sensorineural hearing loss involves a comprehensive audiological assessment, including pure tone audiometry to measure hearing thresholds, speech audiometry tests, and tympanometry. Additional tests like otoacoustic emissions (OAEs) and auditory brainstem response (ABR) may help determine nerve or inner ear damage. Imaging studies such as MRI or CT scans are often performed to identify underlying causes like tumors or structural abnormalities. A detailed medical history and physical examination are also essential components of diagnosis.

Treatment Protocols: Management of this condition depends on its underlying cause, severity, and impact on daily life. Treatment options may include: - Hearing aids to amplify sounds in the affected ear - Cochlear implants in cases of profound sensorineural loss - Medical treatments, such as corticosteroids, for inflammation or sudden hearing loss - Surgical interventions for tumors or structural issues - Rehabilitation therapies, including auditory training - Assistive listening devices and communication strategies to improve understanding Regular follow-up with healthcare providers is important for monitoring the condition and adjusting treatments as necessary.