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ACOUSTIC REFLEX DECAY TEST [1 record]

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Record 1 2023-10-10

English

Subject field(s)
  • Diagnostic Procedures (Medicine)
  • The Ear
  • Nervous System
CONT

Acoustic reflex decay measures the ability of the stapedius muscle to maintain sustained contraction. During this test, a signal is presented 10 dB [decibels] above the acoustic reflex threshold for 10 s [seconds]. A response is considered abnormal if the response amplitude decreases to one half or less of its original amplitude within 5 s. Because reflex decay is common in many normal ears at higher test frequencies, frequencies of 500 Hz [hertz] and 1000 Hz are most often used in acoustic reflex decay tests.

French

Domaine(s)
  • Méthodes diagnostiques (Médecine)
  • Oreille
  • Système nerveux
OBS

test d'adaptation du réflexe stapédien : désignation validée par une technicienne en audiologie.

Spanish

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