Document Detail

Dehydration and hyponatremia during triathlons.
MedLine Citation:
PMID:  2691834     Owner:  NLM     Status:  MEDLINE    
In ultraendurance triathlons, dehydration and electrolyte balance are important factors in race completion and level of performance. Dehydration is the most common reason for a triathlete in the Hawaii Ironman Triathlon to need medical assistance. Hyponatremia is the predominant electrolyte disturbance. We have previously described exercise-induced hyponatremia and documented its incidence as a function of race length and state of hydration. This syndrome, dehydration plus hyponatremia, is extremely rare in races lasting less than 4 h but becomes common in races lasting longer than 8 h. Recommendations are made to help ultraendurance athletes understand and maintain proper fluid and electrolyte balance.
W D Hiller
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Medicine and science in sports and exercise     Volume:  21     ISSN:  0195-9131     ISO Abbreviation:  Med Sci Sports Exerc     Publication Date:  1989 Oct 
Date Detail:
Created Date:  1990-02-22     Completed Date:  1990-02-22     Revised Date:  2005-11-16    
Medline Journal Info:
Nlm Unique ID:  8005433     Medline TA:  Med Sci Sports Exerc     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  S219-21     Citation Subset:  IM; S    
Department of Orthopaedic Surgery, University of Hawaii, Honolulu 96882.
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MeSH Terms
Dehydration / etiology*
Hyponatremia / etiology*
Physical Endurance / physiology*
Water-Electrolyte Imbalance / etiology*

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