Hennebert sign

Hennebert sign
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.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Hennebert sign — Henne·bert sign (en″ə bārґ) [Camille Hennebert, Belgian otologist, 1867–1958] see under sign …   Medical dictionary

  • Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… …   Medical dictionary

  • Hennebert — Camille, Belgian otologist, 1867–1958. See H. sign …   Medical dictionary

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