Document Detail

Cardiovascular responses to laughter: a pilot project.
MedLine Citation:
PMID:  11078786     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to determine cardiovascular responses to laughter. The CO(2) rebreathing method was used to determine cardiac output and understand the role of the central and peripheral components of oxygen consumption and its relation to energy expended. Eight college-age subjects participated in this study. During periods of 5 minutes each, while sitting in a comfortable chair, subjects first rested, then viewed a videotape of a well-known comedian, then remained sitting. A repeated-measures analysis of variance was used to analyze the data. During laughter, there were significant increases in stroke volume and cardiac output and significant decreases in arteriovenous oxygen difference and total peripheral resistance. Following laughter, there was a significant decrease in oxygen consumption.
T Boone; S Hansen; A Erlandson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied nursing research : ANR     Volume:  13     ISSN:  0897-1897     ISO Abbreviation:  Appl Nurs Res     Publication Date:  2000 Nov 
Date Detail:
Created Date:  2000-12-01     Completed Date:  2000-12-22     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8901557     Medline TA:  Appl Nurs Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  204-8     Citation Subset:  IM; N    
Copyright Information:
Copyright 2000 by W.B. Saunders Company
Department of Exercise Physiology, College of St. Scholastica, Duluth, MN 55811, USA.
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MeSH Terms
Analysis of Variance
Carbon Dioxide / blood
Cardiac Output
Cardiovascular Physiological Phenomena*
Hemodynamics / physiology
Laughter / physiology*
Oxygen Consumption
Reg. No./Substance:
124-38-9/Carbon Dioxide

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