Document Detail

Comparative left ventricular dimensions in trained athletes.
MedLine Citation:
PMID:  1119766     Owner:  NLM     Status:  MEDLINE    
Little is known about the structure of athletes' hearts of anatomic variations associated with training. Echocardiograms of 56 active athletes were obtained. Mean left ventricular end-diastolic volume and mass were increased in athletes involved in isotonic exercise, such as swimming (181 ml, 308 g) and running (160 ml, 302 g), compared with controls (101 ml, 211 g); wall thickness was normal (less than or equal to 12 mm). Athletes involved in isometric exercise, such as werstling and shot putting, had normal mean left ventricular end-diastolic volumes (110 ml, 122 ml), but increased wall thickness (13 to 14 mm) and mass (330 g, 348 g). Thus, athletes participating in isotonic exercise had increased left ventricular mass with cardiac changes similar to those in chronic volume overloads. Athletes participating in isometric exercise had increased left ventricular mass with cardiac changes similar to those in chronic pressure loads, recognizing greater left ventricular mass and volume in well-trained athletes aids in interpreting values deviating from "normal" limits.
J Morganroth; B J Maron; W L Henry; S E Epstein
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Annals of internal medicine     Volume:  82     ISSN:  0003-4819     ISO Abbreviation:  Ann. Intern. Med.     Publication Date:  1975 Apr 
Date Detail:
Created Date:  1975-05-29     Completed Date:  1975-05-29     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0372351     Medline TA:  Ann Intern Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  521-4     Citation Subset:  AIM; IM    
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MeSH Terms
Heart Ventricles / anatomy & histology*
Physical Education and Training*
Sports Medicine*

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

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