Document Detail


Acute effects of cigarette smoking on left ventricular function at rest and exercise.
MedLine Citation:
PMID:  7219139     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In this study we investigated the acute effects of cigarette smoking on cardiac function during exercise in 12 normal young males. Radionuclide angiocardiography was used to assess cardiac performance at rest and during upright-bicycle exercise on two consecutive days. On the second day each subject smoked three cigarettes. Exercise studies were continued until 85% of age-predicted heart rate for an individual was achieved. At rest cigarette smoking induced significant increases in resting heart rate, blood pressure, and contractility and significant decreases in end-systolic volume and pulmonary transit time. Comparison of hemodynamic data during exercise before and after smoking showed the only significant change to be a decrease in pulmonary transit time. These results suggest that cigarette smoking in healthy young males does not significantly alter cardiac function during submaximal exercise.
Authors:
M J Behr; K H Leong; R H Jones
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Medicine and science in sports and exercise     Volume:  13     ISSN:  0195-9131     ISO Abbreviation:  Med Sci Sports Exerc     Publication Date:  1981  
Date Detail:
Created Date:  1981-06-25     Completed Date:  1981-06-25     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8005433     Medline TA:  Med Sci Sports Exerc     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  9-12     Citation Subset:  IM; S    
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MeSH Terms
Descriptor/Qualifier:
Adult
Angiocardiography
Cardiac Output
Heart Ventricles / radiography
Hemodynamics
Humans
Male
Physical Exertion*
Rest*
Smoking*
Ventricular Function*

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


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