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Uptodate Reference Title
A typical audiogram of noise-induced sensorineural hearing loss
A typical audiogram of noise-induced sensorineural hearing loss
A typical audiogram of early noise-induced sensorineural hearing loss. Hearing is normal through 2000 Hz. There is an abrupt drop at 4000 Hz with recovery at 8000 Hz. With additional injury over time, this "drop" generalizes to involve more frequencies and becomes more noticeable to the child.
ANSI-1969: American National Standards Institute, standard reference threshold sound-pressure levels for audiometers; AC: air conduction; BC: bone conduction; L: left; C: center; R: right; Hz: Hertz; NML: normal; NEG: negative pressure; VOL: volume; ART: acoustic reflex threshold; CR: contralateral R; CL: contralateral L; SRT: speech reception threshold; DISCM: speech discrimination; dB: decibel; MCL: most comfortable listening (loudness) level; LCL: loudness comfort level.
