rotatory nystagmus when positive or negative pressure is applied to the tympanic membrane, indicative of labyrinthitis with leakage of perilymph; positive pressure (air compression) causes nystagmus toward the affected side, and negative pressure (air rarefaction) causes nystagmus away from the affected side.
Found on
http://www.encyclo.co.uk/local/21001
Type: Term Pronunciation: en′ĕ-bār Definitions: 1. nystagmus produced by pressure applied to a sealed external auditory canal; may be seen in labyrinthine fistula or with intact tympanic membrane in syphilitic involvement of the otic capsule.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=81938
No exact match found.
