labyrinthine apoplexy

lab·y·rin·thine ap·o·plex·y

a clinical syndrome manifested as a single, abrupt attack of severe vertigo, nausea, and vomiting, with permanent loss of labyrinthine function on one side, but without associated hearing loss or tinnitus. Attributed to occlusion of the labyrinthine branch of the internal auditory artery.

lab·y·rin·thine a·po·plex·y

(lab'i-rin'thīn ap'ŏ-plek'sē)
Clinical syndrome manifested as a single, abrupt attack of severe vertigo, nausea, and vomiting, with permanent loss of labyrinthine function on one side, but without associated hearing loss or tinnitus.