Simplification of thermal vestibular test with special reference to OGI test

  • S. C. Mishra
  • Harsh Sharma
  • A. K. Mehrotra
Original/Main Article


The vertigo and nystagmus are the results of vestibular stimulation and effected by ocular fixation. This study was conducted in twenty five cases each of peripheral and central vestibulopathy for oculagyric illusion based, caloric (OGI) test and 20 cases for OGI and Isothermal Binaural Simultaneous Caloric Irrigations (Brookler test). Duration of induced nystagmus was 60 to 200 seconds on caloric test and 84 to 260 seconds on OGI caloric test. Brocher test revealed pathological DP in 2 eases which had CP and DP of more than 13% on OGI test. The response of caloric test appear similar though the nystagmography is more sensitive test followed by the culmination beat wider Frenzel glasses and best being OGI. The reliability of OGI was highest in comparison to caloric test under Frenzel glasses and ENG in eases of albinos. The relevance of these findings were discussed.


Caloric Test Central Lesion Spontaneous Nystagmus Positional Nystagmus Ocular Fixation 
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Copyright information

© Association of Otolaryngologists of India 1993

Authors and Affiliations

  • S. C. Mishra
    • 1
  • Harsh Sharma
    • 1
  • A. K. Mehrotra
    • 2
  1. 1.Department of E. N. T.K. G’s Medical CollegeLucknow
  2. 2.District HospitalRaibareli

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