Res Vestib Sci.  2018 Jun;17(2):37-43. 10.21790/rvs.2018.17.2.37.

Autonomic Dysfunction in Dizziness Clinic

Affiliations
  • 1Department of Neurology, Gyeongsang National University Changwon Hospital, Changwon, Korea. pkjong@gnu.ac.kr
  • 2Department of Neurology, Gyeongsang National University College of Medicine, Gyeongsang Institute of Health Science, Jinju, Korea.

Abstract

Orthostatic dizziness is a common type of dizziness. In general, orthostatic dizziness is provoked by standing or tilting, and subsided by supine position. The patient with orthostatic intolerance complains multiple symptoms such as dizziness, palpitation, lightheadness, fatigue and rarely syncope. Common orthostatic intolerance is orthostatic hypotension (classic, initial, transient, and delayed orthostatic hypotension) and postural orthostatic tachycardia syndrome. Transcranial Doppler is a noninvasive technique that provides real-time measurement of cerebral blood flow velocity. It can be useful for understanding the relationship between orthostatic symptoms and cerebral autoregulatory function. The reciprocal causal relationship between vestibular and autonomic dysfunction should always be kept in mind.

Keyword

Orthostatic dizziness; Orthostatic hypotension; Postural orthostatic tachycardia syndrome; Transcranial Doppler; Autonomic dysfunction

MeSH Terms

Cerebrovascular Circulation
Dizziness*
Fatigue
Humans
Hypotension, Orthostatic
Orthostatic Intolerance
Postural Orthostatic Tachycardia Syndrome
Supine Position
Syncope
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