论文信息 - Perilymph fistula associated with pulse-synchronous eye oscillations

Perilymph fistula associated with pulse-synchronous eye oscillations

Three-dimensional eye movements (scleral search coil system) were recorded in a patient with a surgically acquired perilymph fistula of the left horizontal semicircular canal. Spontaneous horizontal pendular nystagmus was found to be related to the heart rate and may be caused by pressure transfer of blood pulses to the labyrinth. In addition, a contralesional horizontal jerk nystagmus was elicited by Valsalva maneuver, indicating that Ewald’s first law may not only be valid for excitation but also for inhibition.

W. Heide | A. Sprenger | C. Helmchen | H. Rambold | G. Haendler

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