Age Related Hearing Loss (prebycusis)

Etiology

  • Dysfunction of sensory hair cells, often coupled w/noise related loss

Risk Factors

  • Age > 65

Symptoms

  • Bilateral
  • Loss develops slowly
  • Problems hearing conversations in partic if competing background noises
  • Sometimes tinnitus

Physical Exam Findings

  • Decreased ability to hear whispered words, rubbed fingers thru affected ear(s)
  • External canal and TM should be normal (assuming no co-existing conductive loss)
  • Weber w/512hz tuning fork lateralizes to normal ear; Rinne indicates air conduction better than bone

Tests