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Related Experiment Videos

Tympanic membrane temperature in a patient with vertigo

K Moriya1, T Sekitani, H Yamashita

  • 1Department of Otolaryngology, Yamaguchi University School of Medicine, Ube, Japan.

Acta Oto-Laryngologica. Supplementum
|January 1, 1993
PubMed
Summary

Tympanic membrane temperature (TMT) reflects brain temperature and shows daily changes in healthy individuals. Vertigo attacks cause significant TMT fluctuations, offering insights into the condition.

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Area of Science:

  • Physiology
  • Neurology
  • Otolaryngology

Background:

  • Tympanic membrane temperature (TMT) is influenced by internal carotid artery and jugular vein blood flow.
  • TMT is frequently utilized as a proxy for core body and brain temperature.
  • Understanding TMT variations is crucial for interpreting physiological states.

Observation:

  • TMT measurements were taken in six healthy males and one patient experiencing vertigo.
  • In healthy subjects, TMT exhibited circadian rhythms mirroring core body temperature.
  • The patient with vertigo displayed marked TMT variability following vertigo episodes.

Findings:

  • Circadian fluctuations in TMT are consistent with core body temperature rhythms in healthy individuals.
  • Vertigo attacks are associated with significant and wide-ranging alterations in TMT.

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  • The relationship between TMT and neurological events like vertigo warrants further investigation.

    • Implications:

    • TMT monitoring may offer a non-invasive method to assess brain temperature regulation.
    • Observed TMT changes in vertigo patients could indicate underlying physiological disturbances.
    • These findings may contribute to a better understanding of the pathophysiology of vertigo attacks.