Document Detail

Fear talk versus voluntary hyperventilation in agoraphobics and normals: a controlled study.
MedLine Citation:
PMID:  2508147     Owner:  NLM     Status:  MEDLINE    
Twenty-three drug-free patients with agoraphobia and panic disorder (DSM-III criteria) had, at rest, lower mean end-tidal PCO2 (32 v. 36 mmHg) and higher mean heart rate (92 v. 83 bpm) than did 18 controls. During 5 min of listening to fear talk, only eight (35%) patients and three (16%) controls panicked, but panic was associated with marked physiological changes in only two patients and one control. Patients said that breathlessness began slightly more often before than after panic. In 59% of patients the symptoms from voluntary hyperventilation (VHV) were very similar or identical to those of their usual panics. Compared with the remainder, these patients felt more unpleasant during hyperventilation (HV); in such patients HV may aggravate somatic symptoms. Agoraphobics with panic differed from controls in having higher baseline arousal, but were not more reactive than controls to HV or fear talk.
C Bass; P Lelliott; I Marks
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Psychological medicine     Volume:  19     ISSN:  0033-2917     ISO Abbreviation:  Psychol Med     Publication Date:  1989 Aug 
Date Detail:
Created Date:  1989-11-17     Completed Date:  1989-11-17     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  1254142     Medline TA:  Psychol Med     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  669-76     Citation Subset:  IM    
King's College School of Medicine and Dentistry, London.
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MeSH Terms
Agoraphobia / diagnosis,  psychology*
Arousal* / physiology
Carbon Dioxide / blood
Fear* / physiology
Heart Rate
Hyperventilation / psychology*
Panic* / physiology
Verbal Behavior* / physiology
Reg. No./Substance:
124-38-9/Carbon Dioxide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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