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On the diphasic nature of vasovagal fainting associated with blood-injury-illness phobia.

Authors
  • Thyer, B A
  • Curtis, G C
Type
Published Article
Journal
The Pavlovian journal of biological science
Publication Date
Jan 01, 1985
Volume
20
Issue
2
Pages
84–87
Identifiers
PMID: 4000732
Source
Medline
License
Unknown

Abstract

A detailed psychophysiologic analysis of a vasovagal faint occurring in a "blood-injury-illness" phobic demonstrated that the syncopal episode consisted of a diphasic response. This lends support to the hypothesis that vasovagal fainting in these patients is caused by an overcompensating rebound parasympathetic activation following sympathetic arousal. Treatment and research implications of this finding are discussed.

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