Sudden hearing loss
From WikiLectures
Sudden hearing loss is a disease where there is a sudden deterioration or loss of hearing without knowing the cause.
Signs of sudden hearing loss[edit | edit source]
- sudden deterioration to loss of hearing without apparent cause,
- it is often accompanied by tinnitus and possibly rotational dizziness .
Etiology[edit | edit source]
- unknown ,
- it is probably ischemia of the inner ear in the basin of the a. labyrinthi (spasm, embolism, thrombosis),
- a viral infection is less often considered.
Occurrence[edit | edit source]
- it affects all age groups, it is rare in children .
Investigation[edit | edit source]
- on the audiogram – perceptual hearing impairment of varying degrees,
- according to other examinations (BERA , otoacoustic emissions) it is a cochlear disorder,
- the disability is usually unilateral .
Therapy[edit | edit source]
- empirical – administration of vasodilator substances, nootropics , vit. B, corticoids ...
Forecast[edit | edit source]
- uncertain, if hearing does not improve within 10 days after starting therapy, it will not improve.
Links[edit | edit source]
Source[edit | edit source]
- BENEŠ, Jiří. Studijní materiály [online]. [cit. 2009]. <http://jirben2.chytrak.cz/materialy/orl_jb.doc>.
References[edit | edit source]
- KLOZAR, Jan, et al. Speciální otorinolaryngoskopie. 1. edition. Praha : Galén, 2005. pp. 224. ISBN 80-7262-346-X.