Valsalva Maneuver

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Scopus citations


During the Valsalva maneuver, a subject performs a standardized maneuver resulting in an increase in intrathoracic pressure, leading to a series of physiological changes. These include a reduction in preload to the heart and unloading of baroreflexes. The maneuver is mainly used in the autonomic laboratory to evaluate the vagal and adrenergic components of the baroreflex, and to study the Valsalva ratio as an index of cardiovagal function. The test has high sensitivity and reproducibility.

Original languageEnglish (US)
Title of host publicationEncyclopedia of the Neurological Sciences
PublisherElsevier Inc.
Number of pages2
ISBN (Electronic)9780123851574
ISBN (Print)9780123851581
StatePublished - Jan 1 2014


  • Adrenergic
  • Baroreflex
  • Cardiovagal
  • Maneuver
  • Phases

ASJC Scopus subject areas

  • Medicine(all)


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