Article Text

Vestibular signs associated with suspected lightning strike in two horses
  1. D. Bedenice, DVM1,
  2. A. M. Hoffman, DVM,DVSc, DipACVIM1,
  3. J. McDonnel, DVM, MS,DipACVIM1 and
  4. B. Parrott, DVM2
  1. 1 Department of Clinical Science, Tufts University School of Veterinary Medicine, North Grafton, MA 01536, USA
  2. 2 Parrott Equine Associates, Hamilton, MA 01936, USA


Two previously healthy 14-year-old horses developed right-sided unilateral vestibular signs after they had possibly been struck by lightning. Repeated radiographic and endoscopic evaluations did not reveal any significant changes. A brainstem auditory evoked response test indicated a subtle left to right interaural latency difference of waves 1, III and V in the more severely affected pony, but its central conduction time remained normal.

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