Authors: A. Kollár; M. Gross Authors‘ workplace: ORL klinika FN U sv. Anny, Brno Published in: Otorinolaryngol Foniatr, , 2000, No. 3, pp. 144-145. Category:
It is generally accepted that Carhart’s “dip” in otosclerosis develops as a result ofthe absence of the middle ear osteotympanic component of the bone conduction due to a block ofthe oval window. In the submitted article the authors summarize reasons which cast doubts on thisview. The authors assume that Carhart’s “dip” oceurs as a result of the mechanical and hydrodyna-mic changes in the cochlea.
Key words: Carhart’s “dip”, otosclerosis, bone conduction hearing threshold.
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