A 70-year-old with bilateral sensorineural hearing loss (moderate, sloping audiogram) is prescribed hearing aids. The patient reports difficulty understanding speech in noisy environments despite adequate amplification. Which hearing aid feature MOST directly addresses this complaint?

• A Telecoil (T-coil) for use with loop systems
• B Open-fit receiver-in-canal (RIC) design
• C Volume control wheel
• D Directional microphone with digital noise reduction ✓

Explanation

Difficulty understanding speech in noise is the most common complaint of hearing aid users with SNHL, reflecting both peripheral hearing loss and central auditory processing decline. Directional microphone technology (adaptive beamforming) selectively amplifies sounds from the front while reducing background noise, significantly improving speech-in-noise intelligibility. Digital noise reduction algorithms further suppress steady-state background noise. T-coil is for telephone and loop systems. RIC design improves comfort but does not specifically target noise performance.

Reference: Dhingra Diseases of Ear, Nose and Throat, 7th ed.

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Written and medically reviewed by the StethoPrep medical team.