Body fluids after CO2 inhalation: Insight into panic mechanisms?

E. Griez*, M. A. van den Hout, F. Verstappen

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Blood gases and electrolyte fluctuations were studied in arterial blood, after a single 35% CO2-65% O2 inhalation, which is known to trigger panic attacks in patients with panic disorder. The immediate effect of this maneuver was a brief hypercapnic acidosis followed by a slight alkalotic rebound, with shifts in Ca2+ and K+. The possible effect of these changes on neuronal membrane excitability is discussed, referring to recent experimental findings in panic provocation.

Original languageEnglish
Pages (from-to)369-371
Number of pages3
JournalEuropean Archives of Psychiatry and Neurological Sciences
Volume236
Issue number6
DOIs
Publication statusPublished - 1 Nov 1987

Keywords

  • CNS
  • CO2
  • Panic attacks
  • pH

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